If the Florida probation officer becomes aware of the new charges, for example because the accused cannot report because he or she is in jail, then the probation officer will probably place a "hold" on the accused to prevent their release from jail and seek to have the accused's probation revoked because of the new arrest/offense. It's a little more complicated than just that, but the bottom line is often being stuck in jail until each part is worked out.
It looks like you have a number of questions about your situation; I strongly recommend that you speak to an experienced criminal defense lawyer local to the area where the charges are pending as soon as possible. There are serious charges, and you are right to take them seriously.
Kathleen Willcox Williams
Attorney at Law
512 G Street
Brunswick, Georgia 31520
This response is not intended to create an attorney-client relationship.
If your Florida probation officer finds out, you have a high risk of being arrested in Georgia and then extradited to Florida. The Florida judge will want to hear all about your Georgia arrest. If the prosecutor in Florida can prove that you violated your Florida probation by committing a new crime, you have a high risk of being sentenced to prison in Florida, in addition to whatever Georgia may do to you. You need to hire a lawyer.