Number Sequence: Find the Number After 65,899

To solve this problem, we'll proceed with the following steps:

• Step 1: Identify the given number, which is 65,899.
• Step 2: Determine its successor by adding 1 to this number, using the formula $n + 1$.

Now, let's work through each step:
Step 1: The problem provides the number 65,899.
Step 2: We apply the formula for a successor: $65,899 + 1 = 65,900$.

Therefore, the number that follows 65,899 is $65,900$.

Given the multiple-choice options, the correct answer is choice 3: $65,900$.