Finding the Third Proportional to 111,510 and 243,756

Step by Step Solution

1. Step 1: Write the proportion equation
   111,510 : 243,756 = 243,756 : x
2. Step 2: Convert to fraction form
   111,510/243,756 = 243,756/x
3. Step 3: Cross multiply
   111,510x = 243,756 × 243,756
4. Step 4: Simplify right side
   111,510x = 59,416,987,536
5. Step 5: Solve for x
   x = 59,416,987,536/111,510
6. Step 6: Final answer
   x = 532,839.99