Finding the Third Proportional to 1,103,466 and 1,687,269

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103,466 : 1,687,269 = 1,687,269 : x
2. Step 2: Convert to fraction form
   1,103,466/1,687,269 = 1,687,269/x
3. Step 3: Cross multiply
   1,103,466x = 1,687,269 × 1,687,269
4. Step 4: Simplify right side
   1,103,466x = 2,846,876,678,361
5. Step 5: Solve for x
   x = 2,846,876,678,361/1,103,466
6. Step 6: Final answer
   x = 2,579,940.55