Finding the Third Proportional to 40,140.56 and 57,727.69

Step by Step Solution

1. Step 1: Write the proportion equation
   40,140.56 : 57,727.69 = 57,727.69 : x
2. Step 2: Convert to fraction form
   40,140.56/57,727.69 = 57,727.69/x
3. Step 3: Cross multiply
   40,140.56x = 57,727.69 × 57,727.69
4. Step 4: Simplify right side
   40,140.56x = 3,332,485,904.10
5. Step 5: Solve for x
   x = 3,332,485,904.10/40,140.56
6. Step 6: Final answer
   x = 83,020.41