Finding the Third Proportional to 2,057,813 and 4,431,687

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057,813 : 4,431,687 = 4,431,687 : x
2. Step 2: Convert to fraction form
   2,057,813/4,431,687 = 4,431,687/x
3. Step 3: Cross multiply
   2,057,813x = 4,431,687 × 4,431,687
4. Step 4: Simplify right side
   2,057,813x = 19,639,849,665,969
5. Step 5: Solve for x
   x = 19,639,849,665,969/2,057,813
6. Step 6: Final answer
   x = 9,544,040.04