Finding the Third Proportional to 54,418.92 and 82,449.98

Step by Step Solution

1. Step 1: Write the proportion equation
   54,418.92 : 82,449.98 = 82,449.98 : x
2. Step 2: Convert to fraction form
   54,418.92/82,449.98 = 82,449.98/x
3. Step 3: Cross multiply
   54,418.92x = 82,449.98 × 82,449.98
4. Step 4: Simplify right side
   54,418.92x = 6,797,999,923.44
5. Step 5: Solve for x
   x = 6,797,999,923.44/54,418.92
6. Step 6: Final answer
   x = 124,919.78