Finding the Third Proportional to 54,148.50 and 80,773.88

Step by Step Solution

1. Step 1: Write the proportion equation
   54,148.50 : 80,773.88 = 80,773.88 : x
2. Step 2: Convert to fraction form
   54,148.50/80,773.88 = 80,773.88/x
3. Step 3: Cross multiply
   54,148.50x = 80,773.88 × 80,773.88
4. Step 4: Simplify right side
   54,148.50x = 6,524,418,882.52
5. Step 5: Solve for x
   x = 6,524,418,882.52/54,148.50
6. Step 6: Final answer
   x = 120,491.22