Finding the Third Proportional to 2,686,671 and 5,676,582

Step by Step Solution

1. Step 1: Write the proportion equation
   2,686,671 : 5,676,582 = 5,676,582 : x
2. Step 2: Convert to fraction form
   2,686,671/5,676,582 = 5,676,582/x
3. Step 3: Cross multiply
   2,686,671x = 5,676,582 × 5,676,582
4. Step 4: Simplify right side
   2,686,671x = 32,223,583,202,724
5. Step 5: Solve for x
   x = 32,223,583,202,724/2,686,671
6. Step 6: Final answer
   x = 11,993,870.18