Finding the Third Proportional to 2,143,899 and 4,707,744

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143,899 : 4,707,744 = 4,707,744 : x
2. Step 2: Convert to fraction form
   2,143,899/4,707,744 = 4,707,744/x
3. Step 3: Cross multiply
   2,143,899x = 4,707,744 × 4,707,744
4. Step 4: Simplify right side
   2,143,899x = 22,162,853,569,536
5. Step 5: Solve for x
   x = 22,162,853,569,536/2,143,899
6. Step 6: Final answer
   x = 10,337,638.84