Finding the Third Proportional to 3,328,638 and 7,170,006

Step by Step Solution

1. Step 1: Write the proportion equation
   3,328,638 : 7,170,006 = 7,170,006 : x
2. Step 2: Convert to fraction form
   3,328,638/7,170,006 = 7,170,006/x
3. Step 3: Cross multiply
   3,328,638x = 7,170,006 × 7,170,006
4. Step 4: Simplify right side
   3,328,638x = 51,408,986,040,036
5. Step 5: Solve for x
   x = 51,408,986,040,036/3,328,638
6. Step 6: Final answer
   x = 15,444,450.87