Finding the Third Proportional to 60,539 and 123,543

Step by Step Solution

1. Step 1: Write the proportion equation
   60,539 : 123,543 = 123,543 : x
2. Step 2: Convert to fraction form
   60,539/123,543 = 123,543/x
3. Step 3: Cross multiply
   60,539x = 123,543 × 123,543
4. Step 4: Simplify right side
   60,539x = 15,262,872,849
5. Step 5: Solve for x
   x = 15,262,872,849/60,539
6. Step 6: Final answer
   x = 252,116.37