Finding the Third Proportional to 611,345.94 and 1,340,789.88

Step by Step Solution

1. Step 1: Write the proportion equation
   611,345.94 : 1,340,789.88 = 1,340,789.88 : x
2. Step 2: Convert to fraction form
   611,345.94/1,340,789.88 = 1,340,789.88/x
3. Step 3: Cross multiply
   611,345.94x = 1,340,789.88 × 1,340,789.88
4. Step 4: Simplify right side
   611,345.94x = 1,797,717,488,902.52
5. Step 5: Solve for x
   x = 1,797,717,488,902.52/611,345.94
6. Step 6: Final answer
   x = 2,940,589.57