Finding the Third Proportional to 111,472 and 242,626

Step by Step Solution

1. Step 1: Write the proportion equation
   111,472 : 242,626 = 242,626 : x
2. Step 2: Convert to fraction form
   111,472/242,626 = 242,626/x
3. Step 3: Cross multiply
   111,472x = 242,626 × 242,626
4. Step 4: Simplify right side
   111,472x = 58,867,375,876
5. Step 5: Solve for x
   x = 58,867,375,876/111,472
6. Step 6: Final answer
   x = 528,091.14