Finding the Third Proportional to 42,318.56 and 65,737.97

Step by Step Solution

1. Step 1: Write the proportion equation
   42,318.56 : 65,737.97 = 65,737.97 : x
2. Step 2: Convert to fraction form
   42,318.56/65,737.97 = 65,737.97/x
3. Step 3: Cross multiply
   42,318.56x = 65,737.97 × 65,737.97
4. Step 4: Simplify right side
   42,318.56x = 4,321,480,535.38
5. Step 5: Solve for x
   x = 4,321,480,535.38/42,318.56
6. Step 6: Final answer
   x = 102,117.85