Finding the Third Proportional to 613,875 and 1,339,256

Step by Step Solution

1. Step 1: Write the proportion equation
   613,875 : 1,339,256 = 1,339,256 : x
2. Step 2: Convert to fraction form
   613,875/1,339,256 = 1,339,256/x
3. Step 3: Cross multiply
   613,875x = 1,339,256 × 1,339,256
4. Step 4: Simplify right side
   613,875x = 1,793,606,633,536
5. Step 5: Solve for x
   x = 1,793,606,633,536/613,875
6. Step 6: Final answer
   x = 2,921,778.27