Finding the Third Proportional to 1,268,708 and 1,855,428

Step by Step Solution

1. Step 1: Write the proportion equation
   1,268,708 : 1,855,428 = 1,855,428 : x
2. Step 2: Convert to fraction form
   1,268,708/1,855,428 = 1,855,428/x
3. Step 3: Cross multiply
   1,268,708x = 1,855,428 × 1,855,428
4. Step 4: Simplify right side
   1,268,708x = 3,442,613,063,184
5. Step 5: Solve for x
   x = 3,442,613,063,184/1,268,708
6. Step 6: Final answer
   x = 2,713,479.43