Finding the Third Proportional to 54,429.38 and 82,464.38

Step by Step Solution

1. Step 1: Write the proportion equation
   54,429.38 : 82,464.38 = 82,464.38 : x
2. Step 2: Convert to fraction form
   54,429.38/82,464.38 = 82,464.38/x
3. Step 3: Cross multiply
   54,429.38x = 82,464.38 × 82,464.38
4. Step 4: Simplify right side
   54,429.38x = 6,800,373,144.14
5. Step 5: Solve for x
   x = 6,800,373,144.14/54,429.38
6. Step 6: Final answer
   x = 124,939.39