Finding the Third Proportional to 59,130.50 and 86,495

Step by Step Solution

1. Step 1: Write the proportion equation
   59,130.50 : 86,495 = 86,495 : x
2. Step 2: Convert to fraction form
   59,130.50/86,495 = 86,495/x
3. Step 3: Cross multiply
   59,130.50x = 86,495 × 86,495
4. Step 4: Simplify right side
   59,130.50x = 7,481,385,025
5. Step 5: Solve for x
   x = 7,481,385,025/59,130.50
6. Step 6: Final answer
   x = 126,523.28