Finding the Third Proportional to 1,686,606 and 2,682,468

Step by Step Solution

1. Step 1: Write the proportion equation
   1,686,606 : 2,682,468 = 2,682,468 : x
2. Step 2: Convert to fraction form
   1,686,606/2,682,468 = 2,682,468/x
3. Step 3: Cross multiply
   1,686,606x = 2,682,468 × 2,682,468
4. Step 4: Simplify right side
   1,686,606x = 7,195,634,571,024
5. Step 5: Solve for x
   x = 7,195,634,571,024/1,686,606
6. Step 6: Final answer
   x = 4,266,339.96