Finding the Third Proportional to 56,830.68 and 82,747.20

Step by Step Solution

1. Step 1: Write the proportion equation
   56,830.68 : 82,747.20 = 82,747.20 : x
2. Step 2: Convert to fraction form
   56,830.68/82,747.20 = 82,747.20/x
3. Step 3: Cross multiply
   56,830.68x = 82,747.20 × 82,747.20
4. Step 4: Simplify right side
   56,830.68x = 6,847,098,332.09
5. Step 5: Solve for x
   x = 6,847,098,332.09/56,830.68
6. Step 6: Final answer
   x = 120,482.44