Finding the Third Proportional to 1,071,434 and 2,231,626

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,434 : 2,231,626 = 2,231,626 : x
2. Step 2: Convert to fraction form
   1,071,434/2,231,626 = 2,231,626/x
3. Step 3: Cross multiply
   1,071,434x = 2,231,626 × 2,231,626
4. Step 4: Simplify right side
   1,071,434x = 4,980,154,603,876
5. Step 5: Solve for x
   x = 4,980,154,603,876/1,071,434
6. Step 6: Final answer
   x = 4,648,120.75