Finding the Third Proportional to 124,612 and 274,136

Step by Step Solution

1. Step 1: Write the proportion equation
   124,612 : 274,136 = 274,136 : x
2. Step 2: Convert to fraction form
   124,612/274,136 = 274,136/x
3. Step 3: Cross multiply
   124,612x = 274,136 × 274,136
4. Step 4: Simplify right side
   124,612x = 75,150,546,496
5. Step 5: Solve for x
   x = 75,150,546,496/124,612
6. Step 6: Final answer
   x = 603,076.32