Finding the Third Proportional to 9,728,800 and 21,325,568

Step by Step Solution

1. Step 1: Write the proportion equation
   9,728,800 : 21,325,568 = 21,325,568 : x
2. Step 2: Convert to fraction form
   9,728,800/21,325,568 = 21,325,568/x
3. Step 3: Cross multiply
   9,728,800x = 21,325,568 × 21,325,568
4. Step 4: Simplify right side
   9,728,800x = 454,779,850,522,624
5. Step 5: Solve for x
   x = 454,779,850,522,624/9,728,800
6. Step 6: Final answer
   x = 46,745,729.23