Finding the Third Proportional to 3,798,612 and 8,317,647

Step by Step Solution

1. Step 1: Write the proportion equation
   3,798,612 : 8,317,647 = 8,317,647 : x
2. Step 2: Convert to fraction form
   3,798,612/8,317,647 = 8,317,647/x
3. Step 3: Cross multiply
   3,798,612x = 8,317,647 × 8,317,647
4. Step 4: Simplify right side
   3,798,612x = 69,183,251,616,609
5. Step 5: Solve for x
   x = 69,183,251,616,609/3,798,612
6. Step 6: Final answer
   x = 18,212,771.30