Finding the Third Proportional to 1,280,016 and 1,982,448

Step by Step Solution

1. Step 1: Write the proportion equation
   1,280,016 : 1,982,448 = 1,982,448 : x
2. Step 2: Convert to fraction form
   1,280,016/1,982,448 = 1,982,448/x
3. Step 3: Cross multiply
   1,280,016x = 1,982,448 × 1,982,448
4. Step 4: Simplify right side
   1,280,016x = 3,930,100,072,704
5. Step 5: Solve for x
   x = 3,930,100,072,704/1,280,016
6. Step 6: Final answer
   x = 3,070,352.30