Finding the Third Proportional to 1,083,680 and 1,687,566

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083,680 : 1,687,566 = 1,687,566 : x
2. Step 2: Convert to fraction form
   1,083,680/1,687,566 = 1,687,566/x
3. Step 3: Cross multiply
   1,083,680x = 1,687,566 × 1,687,566
4. Step 4: Simplify right side
   1,083,680x = 2,847,879,004,356
5. Step 5: Solve for x
   x = 2,847,879,004,356/1,083,680
6. Step 6: Final answer
   x = 2,627,970.44