Finding the Third Proportional to 40,479.43 and 56,605.71

Step by Step Solution

1. Step 1: Write the proportion equation
   40,479.43 : 56,605.71 = 56,605.71 : x
2. Step 2: Convert to fraction form
   40,479.43/56,605.71 = 56,605.71/x
3. Step 3: Cross multiply
   40,479.43x = 56,605.71 × 56,605.71
4. Step 4: Simplify right side
   40,479.43x = 3,204,206,510.74
5. Step 5: Solve for x
   x = 3,204,206,510.74/40,479.43
6. Step 6: Final answer
   x = 79,156.41