Finding the Third Proportional to 54,404 and 84,068

Step by Step Solution

1. Step 1: Write the proportion equation
   54,404 : 84,068 = 84,068 : x
2. Step 2: Convert to fraction form
   54,404/84,068 = 84,068/x
3. Step 3: Cross multiply
   54,404x = 84,068 × 84,068
4. Step 4: Simplify right side
   54,404x = 7,067,428,624
5. Step 5: Solve for x
   x = 7,067,428,624/54,404
6. Step 6: Final answer
   x = 129,906.42