Finding the Third Proportional to 3,386,668 and 7,245,404

Step by Step Solution

1. Step 1: Write the proportion equation
   3,386,668 : 7,245,404 = 7,245,404 : x
2. Step 2: Convert to fraction form
   3,386,668/7,245,404 = 7,245,404/x
3. Step 3: Cross multiply
   3,386,668x = 7,245,404 × 7,245,404
4. Step 4: Simplify right side
   3,386,668x = 52,495,879,123,216
5. Step 5: Solve for x
   x = 52,495,879,123,216/3,386,668
6. Step 6: Final answer
   x = 15,500,745.61