Finding the Third Proportional to 2,057,812 and 4,431,685

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057,812 : 4,431,685 = 4,431,685 : x
2. Step 2: Convert to fraction form
   2,057,812/4,431,685 = 4,431,685/x
3. Step 3: Cross multiply
   2,057,812x = 4,431,685 × 4,431,685
4. Step 4: Simplify right side
   2,057,812x = 19,639,831,939,225
5. Step 5: Solve for x
   x = 19,639,831,939,225/2,057,812
6. Step 6: Final answer
   x = 9,544,036.06