Finding the Third Proportional to 112,631 and 242,650

Step by Step Solution

1. Step 1: Write the proportion equation
   112,631 : 242,650 = 242,650 : x
2. Step 2: Convert to fraction form
   112,631/242,650 = 242,650/x
3. Step 3: Cross multiply
   112,631x = 242,650 × 242,650
4. Step 4: Simplify right side
   112,631x = 58,879,022,500
5. Step 5: Solve for x
   x = 58,879,022,500/112,631
6. Step 6: Final answer
   x = 522,760.36