Finding the Third Proportional to 1,438,422 and 2,183,874

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438,422 : 2,183,874 = 2,183,874 : x
2. Step 2: Convert to fraction form
   1,438,422/2,183,874 = 2,183,874/x
3. Step 3: Cross multiply
   1,438,422x = 2,183,874 × 2,183,874
4. Step 4: Simplify right side
   1,438,422x = 4,769,305,647,876
5. Step 5: Solve for x
   x = 4,769,305,647,876/1,438,422
6. Step 6: Final answer
   x = 3,315,651.21