Finding the Third Proportional to 2,057,817 and 4,431,695

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057,817 : 4,431,695 = 4,431,695 : x
2. Step 2: Convert to fraction form
   2,057,817/4,431,695 = 4,431,695/x
3. Step 3: Cross multiply
   2,057,817x = 4,431,695 × 4,431,695
4. Step 4: Simplify right side
   2,057,817x = 19,639,920,573,025
5. Step 5: Solve for x
   x = 19,639,920,573,025/2,057,817
6. Step 6: Final answer
   x = 9,544,055.95