Finding the Third Proportional to 2,057,814 and 4,431,689

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057,814 : 4,431,689 = 4,431,689 : x
2. Step 2: Convert to fraction form
   2,057,814/4,431,689 = 4,431,689/x
3. Step 3: Cross multiply
   2,057,814x = 4,431,689 × 4,431,689
4. Step 4: Simplify right side
   2,057,814x = 19,639,867,392,721
5. Step 5: Solve for x
   x = 19,639,867,392,721/2,057,814
6. Step 6: Final answer
   x = 9,544,044.02