Finding the Third Proportional to 111,766 and 242,454

Step by Step Solution

1. Step 1: Write the proportion equation
   111,766 : 242,454 = 242,454 : x
2. Step 2: Convert to fraction form
   111,766/242,454 = 242,454/x
3. Step 3: Cross multiply
   111,766x = 242,454 × 242,454
4. Step 4: Simplify right side
   111,766x = 58,783,942,116
5. Step 5: Solve for x
   x = 58,783,942,116/111,766
6. Step 6: Final answer
   x = 525,955.50