Finding the Third Proportional to 1,083,694 and 1,687,591

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083,694 : 1,687,591 = 1,687,591 : x
2. Step 2: Convert to fraction form
   1,083,694/1,687,591 = 1,687,591/x
3. Step 3: Cross multiply
   1,083,694x = 1,687,591 × 1,687,591
4. Step 4: Simplify right side
   1,083,694x = 2,847,963,383,281
5. Step 5: Solve for x
   x = 2,847,963,383,281/1,083,694
6. Step 6: Final answer
   x = 2,628,014.35