Finding the Third Proportional to 611,354 and 1,340,812

Step by Step Solution

1. Step 1: Write the proportion equation
   611,354 : 1,340,812 = 1,340,812 : x
2. Step 2: Convert to fraction form
   611,354/1,340,812 = 1,340,812/x
3. Step 3: Cross multiply
   611,354x = 1,340,812 × 1,340,812
4. Step 4: Simplify right side
   611,354x = 1,797,776,819,344
5. Step 5: Solve for x
   x = 1,797,776,819,344/611,354
6. Step 6: Final answer
   x = 2,940,647.84