Finding the Third Proportional to 39,511.13 and 87,331.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,511.13 : 87,331.50 = 87,331.50 : x
2. Step 2: Convert to fraction form
   39,511.13/87,331.50 = 87,331.50/x
3. Step 3: Cross multiply
   39,511.13x = 87,331.50 × 87,331.50
4. Step 4: Simplify right side
   39,511.13x = 7,626,790,892.25
5. Step 5: Solve for x
   x = 7,626,790,892.25/39,511.13
6. Step 6: Final answer
   x = 193,028.95