Ive been on server alot time and I only have $800.000.. so seems wierd you already have $500.000.... :P
Slightly off topic but if you are using decimal "." for identifying "thousand breaks" then how are you supposed to differentiate between when it is used for identifying "thousand breaks" and when it is used for identifying decimal numbers? In my country, if you did that you would have a lot of trouble.

Now back on topic...
I hope for your sake you have a good explanation of how you got that money Fastshot, because from what I see, it seems probable that you got that money through a method that is strictly forbidden.