Finding the Third Proportional to 1,071,857 and 2,231,923

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,857 : 2,231,923 = 2,231,923 : x
2. Step 2: Convert to fraction form
   1,071,857/2,231,923 = 2,231,923/x
3. Step 3: Cross multiply
   1,071,857x = 2,231,923 × 2,231,923
4. Step 4: Simplify right side
   1,071,857x = 4,981,480,277,929
5. Step 5: Solve for x
   x = 4,981,480,277,929/1,071,857
6. Step 6: Final answer
   x = 4,647,523.20