Finding the Third Proportional to 124,620 and 274,150

Step by Step Solution

1. Step 1: Write the proportion equation
   124,620 : 274,150 = 274,150 : x
2. Step 2: Convert to fraction form
   124,620/274,150 = 274,150/x
3. Step 3: Cross multiply
   124,620x = 274,150 × 274,150
4. Step 4: Simplify right side
   124,620x = 75,158,222,500
5. Step 5: Solve for x
   x = 75,158,222,500/124,620
6. Step 6: Final answer
   x = 603,099.20