Finding the Third Proportional to 812,736 and 1,257,744

Step by Step Solution

1. Step 1: Write the proportion equation
   812,736 : 1,257,744 = 1,257,744 : x
2. Step 2: Convert to fraction form
   812,736/1,257,744 = 1,257,744/x
3. Step 3: Cross multiply
   812,736x = 1,257,744 × 1,257,744
4. Step 4: Simplify right side
   812,736x = 1,581,919,969,536
5. Step 5: Solve for x
   x = 1,581,919,969,536/812,736
6. Step 6: Final answer
   x = 1,946,413.07