Finding the Third Proportional to 60,872 and 123,418

Step by Step Solution

1. Step 1: Write the proportion equation
   60,872 : 123,418 = 123,418 : x
2. Step 2: Convert to fraction form
   60,872/123,418 = 123,418/x
3. Step 3: Cross multiply
   60,872x = 123,418 × 123,418
4. Step 4: Simplify right side
   60,872x = 15,232,002,724
5. Step 5: Solve for x
   x = 15,232,002,724/60,872
6. Step 6: Final answer
   x = 250,230.04