Finding the Third Proportional to 4,196,809 and 9,275,800

Step by Step Solution

1. Step 1: Write the proportion equation
   4,196,809 : 9,275,800 = 9,275,800 : x
2. Step 2: Convert to fraction form
   4,196,809/9,275,800 = 9,275,800/x
3. Step 3: Cross multiply
   4,196,809x = 9,275,800 × 9,275,800
4. Step 4: Simplify right side
   4,196,809x = 86,040,465,640,000
5. Step 5: Solve for x
   x = 86,040,465,640,000/4,196,809
6. Step 6: Final answer
   x = 20,501,401.34