Finding the Third Proportional to 610,440 and 836,499

Step by Step Solution

1. Step 1: Write the proportion equation
   610,440 : 836,499 = 836,499 : x
2. Step 2: Convert to fraction form
   610,440/836,499 = 836,499/x
3. Step 3: Cross multiply
   610,440x = 836,499 × 836,499
4. Step 4: Simplify right side
   610,440x = 699,730,577,001
5. Step 5: Solve for x
   x = 699,730,577,001/610,440
6. Step 6: Final answer
   x = 1,146,272.49