Finding the Third Proportional to 60,874 and 123,428

Step by Step Solution

1. Step 1: Write the proportion equation
   60,874 : 123,428 = 123,428 : x
2. Step 2: Convert to fraction form
   60,874/123,428 = 123,428/x
3. Step 3: Cross multiply
   60,874x = 123,428 × 123,428
4. Step 4: Simplify right side
   60,874x = 15,234,471,184
5. Step 5: Solve for x
   x = 15,234,471,184/60,874
6. Step 6: Final answer
   x = 250,262.36