Finding the Third Proportional to 1,268,828 and 1,722,386

Step by Step Solution

1. Step 1: Write the proportion equation
   1,268,828 : 1,722,386 = 1,722,386 : x
2. Step 2: Convert to fraction form
   1,268,828/1,722,386 = 1,722,386/x
3. Step 3: Cross multiply
   1,268,828x = 1,722,386 × 1,722,386
4. Step 4: Simplify right side
   1,268,828x = 2,966,613,532,996
5. Step 5: Solve for x
   x = 2,966,613,532,996/1,268,828
6. Step 6: Final answer
   x = 2,338,073.82