Finding the Third Proportional to 111,764 and 242,449

Step by Step Solution

1. Step 1: Write the proportion equation
   111,764 : 242,449 = 242,449 : x
2. Step 2: Convert to fraction form
   111,764/242,449 = 242,449/x
3. Step 3: Cross multiply
   111,764x = 242,449 × 242,449
4. Step 4: Simplify right side
   111,764x = 58,781,517,601
5. Step 5: Solve for x
   x = 58,781,517,601/111,764
6. Step 6: Final answer
   x = 525,943.22