Finding the Third Proportional to 861,669 and 1,840,626

Step by Step Solution

1. Step 1: Write the proportion equation
   861,669 : 1,840,626 = 1,840,626 : x
2. Step 2: Convert to fraction form
   861,669/1,840,626 = 1,840,626/x
3. Step 3: Cross multiply
   861,669x = 1,840,626 × 1,840,626
4. Step 4: Simplify right side
   861,669x = 3,387,904,071,876
5. Step 5: Solve for x
   x = 3,387,904,071,876/861,669
6. Step 6: Final answer
   x = 3,931,792.92