Finding the Third Proportional to 31,792.50 and 67,807.13

Step by Step Solution

1. Step 1: Write the proportion equation
   31,792.50 : 67,807.13 = 67,807.13 : x
2. Step 2: Convert to fraction form
   31,792.50/67,807.13 = 67,807.13/x
3. Step 3: Cross multiply
   31,792.50x = 67,807.13 × 67,807.13
4. Step 4: Simplify right side
   31,792.50x = 4,597,806,200.77
5. Step 5: Solve for x
   x = 4,597,806,200.77/31,792.50
6. Step 6: Final answer
   x = 144,619.21