Finding the Third Proportional to 244,530 and 518,499

Step by Step Solution

1. Step 1: Write the proportion equation
   244,530 : 518,499 = 518,499 : x
2. Step 2: Convert to fraction form
   244,530/518,499 = 518,499/x
3. Step 3: Cross multiply
   244,530x = 518,499 × 518,499
4. Step 4: Simplify right side
   244,530x = 268,841,213,001
5. Step 5: Solve for x
   x = 268,841,213,001/244,530
6. Step 6: Final answer
   x = 1,099,420.17