Finding the Third Proportional to 2,690,758 and 4,170,636

Step by Step Solution

1. Step 1: Write the proportion equation
   2,690,758 : 4,170,636 = 4,170,636 : x
2. Step 2: Convert to fraction form
   2,690,758/4,170,636 = 4,170,636/x
3. Step 3: Cross multiply
   2,690,758x = 4,170,636 × 4,170,636
4. Step 4: Simplify right side
   2,690,758x = 17,394,204,644,496
5. Step 5: Solve for x
   x = 17,394,204,644,496/2,690,758
6. Step 6: Final answer
   x = 6,464,425.51