Finding the Third Proportional to 40,132.50 and 59,620.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,132.50 : 59,620.50 = 59,620.50 : x
2. Step 2: Convert to fraction form
   40,132.50/59,620.50 = 59,620.50/x
3. Step 3: Cross multiply
   40,132.50x = 59,620.50 × 59,620.50
4. Step 4: Simplify right side
   40,132.50x = 3,554,604,020.25
5. Step 5: Solve for x
   x = 3,554,604,020.25/40,132.50
6. Step 6: Final answer
   x = 88,571.71