Finding the Third Proportional to 65,531 and 98,839.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,531 : 98,839.50 = 98,839.50 : x
2. Step 2: Convert to fraction form
   65,531/98,839.50 = 98,839.50/x
3. Step 3: Cross multiply
   65,531x = 98,839.50 × 98,839.50
4. Step 4: Simplify right side
   65,531x = 9,769,246,760.25
5. Step 5: Solve for x
   x = 9,769,246,760.25/65,531
6. Step 6: Final answer
   x = 149,078.25