Finding the Third Proportional to 611,341 and 1,340,780

Step by Step Solution

1. Step 1: Write the proportion equation
   611,341 : 1,340,780 = 1,340,780 : x
2. Step 2: Convert to fraction form
   611,341/1,340,780 = 1,340,780/x
3. Step 3: Cross multiply
   611,341x = 1,340,780 × 1,340,780
4. Step 4: Simplify right side
   611,341x = 1,797,691,008,400
5. Step 5: Solve for x
   x = 1,797,691,008,400/611,341
6. Step 6: Final answer
   x = 2,940,570.01