Finding the Third Proportional to 4,259,708 and 9,265,768

Step by Step Solution

1. Step 1: Write the proportion equation
   4,259,708 : 9,265,768 = 9,265,768 : x
2. Step 2: Convert to fraction form
   4,259,708/9,265,768 = 9,265,768/x
3. Step 3: Cross multiply
   4,259,708x = 9,265,768 × 9,265,768
4. Step 4: Simplify right side
   4,259,708x = 85,854,456,629,824
5. Step 5: Solve for x
   x = 85,854,456,629,824/4,259,708
6. Step 6: Final answer
   x = 20,155,009.83