Finding the Third Proportional to 611,342 and 1,340,782

Step by Step Solution

1. Step 1: Write the proportion equation
   611,342 : 1,340,782 = 1,340,782 : x
2. Step 2: Convert to fraction form
   611,342/1,340,782 = 1,340,782/x
3. Step 3: Cross multiply
   611,342x = 1,340,782 × 1,340,782
4. Step 4: Simplify right side
   611,342x = 1,797,696,371,524
5. Step 5: Solve for x
   x = 1,797,696,371,524/611,342
6. Step 6: Final answer
   x = 2,940,573.97