Finding the Third Proportional to 809,540 and 1,743,670

Step by Step Solution

1. Step 1: Write the proportion equation
   809,540 : 1,743,670 = 1,743,670 : x
2. Step 2: Convert to fraction form
   809,540/1,743,670 = 1,743,670/x
3. Step 3: Cross multiply
   809,540x = 1,743,670 × 1,743,670
4. Step 4: Simplify right side
   809,540x = 3,040,385,068,900
5. Step 5: Solve for x
   x = 3,040,385,068,900/809,540
6. Step 6: Final answer
   x = 3,755,694.68