Finding the Third Proportional to 1,400,656 and 2,039,728

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400,656 : 2,039,728 = 2,039,728 : x
2. Step 2: Convert to fraction form
   1,400,656/2,039,728 = 2,039,728/x
3. Step 3: Cross multiply
   1,400,656x = 2,039,728 × 2,039,728
4. Step 4: Simplify right side
   1,400,656x = 4,160,490,313,984
5. Step 5: Solve for x
   x = 4,160,490,313,984/1,400,656
6. Step 6: Final answer
   x = 2,970,386.96