What is is the next sequence of numbers in excel after 5789459.00?

The next sequence of numbers in Excel after 5,789,459.00 would depend on the increment specified. If you're simply incrementing by 1, the next number would be 5,789,460.00. If you're increasing by a different value, you would add that value to 5,789,459.00 to get the next number in the sequence.