Finding the Third Proportional to 74,927.53 and 82,399.78

Step by Step Solution

1. Step 1: Write the proportion equation
   74,927.53 : 82,399.78 = 82,399.78 : x
2. Step 2: Convert to fraction form
   74,927.53/82,399.78 = 82,399.78/x
3. Step 3: Cross multiply
   74,927.53x = 82,399.78 × 82,399.78
4. Step 4: Simplify right side
   74,927.53x = 6,789,723,950.05
5. Step 5: Solve for x
   x = 6,789,723,950.05/74,927.53
6. Step 6: Final answer
   x = 90,617.21