Finding the Third Proportional to 3,987,852 and 8,648,760

Step by Step Solution

1. Step 1: Write the proportion equation
   3,987,852 : 8,648,760 = 8,648,760 : x
2. Step 2: Convert to fraction form
   3,987,852/8,648,760 = 8,648,760/x
3. Step 3: Cross multiply
   3,987,852x = 8,648,760 × 8,648,760
4. Step 4: Simplify right side
   3,987,852x = 74,801,049,537,600
5. Step 5: Solve for x
   x = 74,801,049,537,600/3,987,852
6. Step 6: Final answer
   x = 18,757,228.09