Finding the Third Proportional to 80,728.25 and 124,498.75

Step by Step Solution

1. Step 1: Write the proportion equation
   80,728.25 : 124,498.75 = 124,498.75 : x
2. Step 2: Convert to fraction form
   80,728.25/124,498.75 = 124,498.75/x
3. Step 3: Cross multiply
   80,728.25x = 124,498.75 × 124,498.75
4. Step 4: Simplify right side
   80,728.25x = 15,499,938,751.56
5. Step 5: Solve for x
   x = 15,499,938,751.56/80,728.25
6. Step 6: Final answer
   x = 192,001.42