Finding the Third Proportional to 1,070,517 and 1,639,682

Step by Step Solution

1. Step 1: Write the proportion equation
   1,070,517 : 1,639,682 = 1,639,682 : x
2. Step 2: Convert to fraction form
   1,070,517/1,639,682 = 1,639,682/x
3. Step 3: Cross multiply
   1,070,517x = 1,639,682 × 1,639,682
4. Step 4: Simplify right side
   1,070,517x = 2,688,557,061,124
5. Step 5: Solve for x
   x = 2,688,557,061,124/1,070,517
6. Step 6: Final answer
   x = 2,511,456.67