Finding the Third Proportional to 4,231,785 and 9,987,996

Step by Step Solution

1. Step 1: Write the proportion equation
   4,231,785 : 9,987,996 = 9,987,996 : x
2. Step 2: Convert to fraction form
   4,231,785/9,987,996 = 9,987,996/x
3. Step 3: Cross multiply
   4,231,785x = 9,987,996 × 9,987,996
4. Step 4: Simplify right side
   4,231,785x = 99,760,064,096,016
5. Step 5: Solve for x
   x = 99,760,064,096,016/4,231,785
6. Step 6: Final answer
   x = 23,573,991.61