Finding the Third Proportional to 40,291.88 and 57,700.69

Step by Step Solution

1. Step 1: Write the proportion equation
   40,291.88 : 57,700.69 = 57,700.69 : x
2. Step 2: Convert to fraction form
   40,291.88/57,700.69 = 57,700.69/x
3. Step 3: Cross multiply
   40,291.88x = 57,700.69 × 57,700.69
4. Step 4: Simplify right side
   40,291.88x = 3,329,369,337.97
5. Step 5: Solve for x
   x = 3,329,369,337.97/40,291.88
6. Step 6: Final answer
   x = 82,631.28