Finding the Third Proportional to 1,248,596 and 2,686,568

Step by Step Solution

1. Step 1: Write the proportion equation
   1,248,596 : 2,686,568 = 2,686,568 : x
2. Step 2: Convert to fraction form
   1,248,596/2,686,568 = 2,686,568/x
3. Step 3: Cross multiply
   1,248,596x = 2,686,568 × 2,686,568
4. Step 4: Simplify right side
   1,248,596x = 7,217,647,618,624
5. Step 5: Solve for x
   x = 7,217,647,618,624/1,248,596
6. Step 6: Final answer
   x = 5,780,610.88