Finding the Third Proportional to 1,096,408 and 1,687,412

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096,408 : 1,687,412 = 1,687,412 : x
2. Step 2: Convert to fraction form
   1,096,408/1,687,412 = 1,687,412/x
3. Step 3: Cross multiply
   1,096,408x = 1,687,412 × 1,687,412
4. Step 4: Simplify right side
   1,096,408x = 2,847,359,257,744
5. Step 5: Solve for x
   x = 2,847,359,257,744/1,096,408
6. Step 6: Final answer
   x = 2,596,988.76