Finding the Third Proportional to 1,131,256 and 2,439,628

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131,256 : 2,439,628 = 2,439,628 : x
2. Step 2: Convert to fraction form
   1,131,256/2,439,628 = 2,439,628/x
3. Step 3: Cross multiply
   1,131,256x = 2,439,628 × 2,439,628
4. Step 4: Simplify right side
   1,131,256x = 5,951,784,778,384
5. Step 5: Solve for x
   x = 5,951,784,778,384/1,131,256
6. Step 6: Final answer
   x = 5,261,218.31