Finding the Third Proportional to 59,140.13 and 91,724.91

Step by Step Solution

1. Step 1: Write the proportion equation
   59,140.13 : 91,724.91 = 91,724.91 : x
2. Step 2: Convert to fraction form
   59,140.13/91,724.91 = 91,724.91/x
3. Step 3: Cross multiply
   59,140.13x = 91,724.91 × 91,724.91
4. Step 4: Simplify right side
   59,140.13x = 8,413,458,426.57
5. Step 5: Solve for x
   x = 8,413,458,426.57/59,140.13
6. Step 6: Final answer
   x = 142,263.12