Finding the Third Proportional to 2,161,874 and 5,004,869

Step by Step Solution

1. Step 1: Write the proportion equation
   2,161,874 : 5,004,869 = 5,004,869 : x
2. Step 2: Convert to fraction form
   2,161,874/5,004,869 = 5,004,869/x
3. Step 3: Cross multiply
   2,161,874x = 5,004,869 × 5,004,869
4. Step 4: Simplify right side
   2,161,874x = 25,048,713,707,161
5. Step 5: Solve for x
   x = 25,048,713,707,161/2,161,874
6. Step 6: Final answer
   x = 11,586,574.29