Finding the Third Proportional to 9,568,449 and 20,464,647

Step by Step Solution

1. Step 1: Write the proportion equation
   9,568,449 : 20,464,647 = 20,464,647 : x
2. Step 2: Convert to fraction form
   9,568,449/20,464,647 = 20,464,647/x
3. Step 3: Cross multiply
   9,568,449x = 20,464,647 × 20,464,647
4. Step 4: Simplify right side
   9,568,449x = 418,801,776,834,609
5. Step 5: Solve for x
   x = 418,801,776,834,609/9,568,449
6. Step 6: Final answer
   x = 43,769,034.76