Finding the Third Proportional to 39,869.25 and 54,169.88

Step by Step Solution

1. Step 1: Write the proportion equation
   39,869.25 : 54,169.88 = 54,169.88 : x
2. Step 2: Convert to fraction form
   39,869.25/54,169.88 = 54,169.88/x
3. Step 3: Cross multiply
   39,869.25x = 54,169.88 × 54,169.88
4. Step 4: Simplify right side
   39,869.25x = 2,934,375,357.52
5. Step 5: Solve for x
   x = 2,934,375,357.52/39,869.25
6. Step 6: Final answer
   x = 73,599.96