Finding the Third Proportional to 54,567.28 and 81,514.78

Step by Step Solution

1. Step 1: Write the proportion equation
   54,567.28 : 81,514.78 = 81,514.78 : x
2. Step 2: Convert to fraction form
   54,567.28/81,514.78 = 81,514.78/x
3. Step 3: Cross multiply
   54,567.28x = 81,514.78 × 81,514.78
4. Step 4: Simplify right side
   54,567.28x = 6,644,659,562.24
5. Step 5: Solve for x
   x = 6,644,659,562.24/54,567.28
6. Step 6: Final answer
   x = 121,770.03