Finding the Third Proportional to 1,686,720 and 2,682,588

Step by Step Solution

1. Step 1: Write the proportion equation
   1,686,720 : 2,682,588 = 2,682,588 : x
2. Step 2: Convert to fraction form
   1,686,720/2,682,588 = 2,682,588/x
3. Step 3: Cross multiply
   1,686,720x = 2,682,588 × 2,682,588
4. Step 4: Simplify right side
   1,686,720x = 7,196,278,377,744
5. Step 5: Solve for x
   x = 7,196,278,377,744/1,686,720
6. Step 6: Final answer
   x = 4,266,433.30