Finding the Third Proportional to 124,850 and 275,150

Step by Step Solution

1. Step 1: Write the proportion equation
   124,850 : 275,150 = 275,150 : x
2. Step 2: Convert to fraction form
   124,850/275,150 = 275,150/x
3. Step 3: Cross multiply
   124,850x = 275,150 × 275,150
4. Step 4: Simplify right side
   124,850x = 75,707,522,500
5. Step 5: Solve for x
   x = 75,707,522,500/124,850
6. Step 6: Final answer
   x = 606,387.85