Finding the Third Proportional to 39,909 and 62,605.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,909 : 62,605.50 = 62,605.50 : x
2. Step 2: Convert to fraction form
   39,909/62,605.50 = 62,605.50/x
3. Step 3: Cross multiply
   39,909x = 62,605.50 × 62,605.50
4. Step 4: Simplify right side
   39,909x = 3,919,448,630.25
5. Step 5: Solve for x
   x = 3,919,448,630.25/39,909
6. Step 6: Final answer
   x = 98,209.64