Finding the Third Proportional to 1,248,800 and 2,707,555

Step by Step Solution

1. Step 1: Write the proportion equation
   1,248,800 : 2,707,555 = 2,707,555 : x
2. Step 2: Convert to fraction form
   1,248,800/2,707,555 = 2,707,555/x
3. Step 3: Cross multiply
   1,248,800x = 2,707,555 × 2,707,555
4. Step 4: Simplify right side
   1,248,800x = 7,330,854,078,025
5. Step 5: Solve for x
   x = 7,330,854,078,025/1,248,800
6. Step 6: Final answer
   x = 5,870,318.77