Finding the Third Proportional to 56,737.97 and 85,351.78

Step by Step Solution

1. Step 1: Write the proportion equation
   56,737.97 : 85,351.78 = 85,351.78 : x
2. Step 2: Convert to fraction form
   56,737.97/85,351.78 = 85,351.78/x
3. Step 3: Cross multiply
   56,737.97x = 85,351.78 × 85,351.78
4. Step 4: Simplify right side
   56,737.97x = 7,284,926,562.55
5. Step 5: Solve for x
   x = 7,284,926,562.55/56,737.97
6. Step 6: Final answer
   x = 128,395.97