Finding the Third Proportional to 4,231,783 and 9,987,993

Step by Step Solution

1. Step 1: Write the proportion equation
   4,231,783 : 9,987,993 = 9,987,993 : x
2. Step 2: Convert to fraction form
   4,231,783/9,987,993 = 9,987,993/x
3. Step 3: Cross multiply
   4,231,783x = 9,987,993 × 9,987,993
4. Step 4: Simplify right side
   4,231,783x = 99,760,004,168,049
5. Step 5: Solve for x
   x = 99,760,004,168,049/4,231,783
6. Step 6: Final answer
   x = 23,573,988.59