Finding the Third Proportional to 1,055,256 and 2,147,774

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055,256 : 2,147,774 = 2,147,774 : x
2. Step 2: Convert to fraction form
   1,055,256/2,147,774 = 2,147,774/x
3. Step 3: Cross multiply
   1,055,256x = 2,147,774 × 2,147,774
4. Step 4: Simplify right side
   1,055,256x = 4,612,933,155,076
5. Step 5: Solve for x
   x = 4,612,933,155,076/1,055,256
6. Step 6: Final answer
   x = 4,371,387.75