Finding the Third Proportional to 60,486 and 123,564

Step by Step Solution

1. Step 1: Write the proportion equation
   60,486 : 123,564 = 123,564 : x
2. Step 2: Convert to fraction form
   60,486/123,564 = 123,564/x
3. Step 3: Cross multiply
   60,486x = 123,564 × 123,564
4. Step 4: Simplify right side
   60,486x = 15,268,062,096
5. Step 5: Solve for x
   x = 15,268,062,096/60,486
6. Step 6: Final answer
   x = 252,423.07