Finding the Third Proportional to 2,057,811 and 4,431,684

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057,811 : 4,431,684 = 4,431,684 : x
2. Step 2: Convert to fraction form
   2,057,811/4,431,684 = 4,431,684/x
3. Step 3: Cross multiply
   2,057,811x = 4,431,684 × 4,431,684
4. Step 4: Simplify right side
   2,057,811x = 19,639,823,075,856
5. Step 5: Solve for x
   x = 19,639,823,075,856/2,057,811
6. Step 6: Final answer
   x = 9,544,036.39