Finding the Third Proportional to 124,479 and 273,150

Step by Step Solution

1. Step 1: Write the proportion equation
   124,479 : 273,150 = 273,150 : x
2. Step 2: Convert to fraction form
   124,479/273,150 = 273,150/x
3. Step 3: Cross multiply
   124,479x = 273,150 × 273,150
4. Step 4: Simplify right side
   124,479x = 74,610,922,500
5. Step 5: Solve for x
   x = 74,610,922,500/124,479
6. Step 6: Final answer
   x = 599,385.62