Finding the Third Proportional to 1,102,797 and 1,686,636

Step by Step Solution

1. Step 1: Write the proportion equation
   1,102,797 : 1,686,636 = 1,686,636 : x
2. Step 2: Convert to fraction form
   1,102,797/1,686,636 = 1,686,636/x
3. Step 3: Cross multiply
   1,102,797x = 1,686,636 × 1,686,636
4. Step 4: Simplify right side
   1,102,797x = 2,844,740,996,496
5. Step 5: Solve for x
   x = 2,844,740,996,496/1,102,797
6. Step 6: Final answer
   x = 2,579,569.04