Finding the Third Proportional to 2,122,856 and 4,442,542

Step by Step Solution

1. Step 1: Write the proportion equation
   2,122,856 : 4,442,542 = 4,442,542 : x
2. Step 2: Convert to fraction form
   2,122,856/4,442,542 = 4,442,542/x
3. Step 3: Cross multiply
   2,122,856x = 4,442,542 × 4,442,542
4. Step 4: Simplify right side
   2,122,856x = 19,736,179,421,764
5. Step 5: Solve for x
   x = 19,736,179,421,764/2,122,856
6. Step 6: Final answer
   x = 9,296,993.97