Finding the Third Proportional to 3,408,718 and 7,396,856

Step by Step Solution

1. Step 1: Write the proportion equation
   3,408,718 : 7,396,856 = 7,396,856 : x
2. Step 2: Convert to fraction form
   3,408,718/7,396,856 = 7,396,856/x
3. Step 3: Cross multiply
   3,408,718x = 7,396,856 × 7,396,856
4. Step 4: Simplify right side
   3,408,718x = 54,713,478,684,736
5. Step 5: Solve for x
   x = 54,713,478,684,736/3,408,718
6. Step 6: Final answer
   x = 16,051,042.85