Finding the Third Proportional to 711,540 and 1,555,812

Step by Step Solution

1. Step 1: Write the proportion equation
   711,540 : 1,555,812 = 1,555,812 : x
2. Step 2: Convert to fraction form
   711,540/1,555,812 = 1,555,812/x
3. Step 3: Cross multiply
   711,540x = 1,555,812 × 1,555,812
4. Step 4: Simplify right side
   711,540x = 2,420,550,979,344
5. Step 5: Solve for x
   x = 2,420,550,979,344/711,540
6. Step 6: Final answer
   x = 3,401,848.08