Finding the Third Proportional to 611,353 and 1,340,804

Step by Step Solution

1. Step 1: Write the proportion equation
   611,353 : 1,340,804 = 1,340,804 : x
2. Step 2: Convert to fraction form
   611,353/1,340,804 = 1,340,804/x
3. Step 3: Cross multiply
   611,353x = 1,340,804 × 1,340,804
4. Step 4: Simplify right side
   611,353x = 1,797,755,366,416
5. Step 5: Solve for x
   x = 1,797,755,366,416/611,353
6. Step 6: Final answer
   x = 2,940,617.56