Finding the Third Proportional to 1,083,678 and 1,687,563

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083,678 : 1,687,563 = 1,687,563 : x
2. Step 2: Convert to fraction form
   1,083,678/1,687,563 = 1,687,563/x
3. Step 3: Cross multiply
   1,083,678x = 1,687,563 × 1,687,563
4. Step 4: Simplify right side
   1,083,678x = 2,847,868,878,969
5. Step 5: Solve for x
   x = 2,847,868,878,969/1,083,678
6. Step 6: Final answer
   x = 2,627,965.94