Finding the Third Proportional to 3,987,246 and 8,496,444

Step by Step Solution

1. Step 1: Write the proportion equation
   3,987,246 : 8,496,444 = 8,496,444 : x
2. Step 2: Convert to fraction form
   3,987,246/8,496,444 = 8,496,444/x
3. Step 3: Cross multiply
   3,987,246x = 8,496,444 × 8,496,444
4. Step 4: Simplify right side
   3,987,246x = 72,189,560,645,136
5. Step 5: Solve for x
   x = 72,189,560,645,136/3,987,246
6. Step 6: Final answer
   x = 18,105,118.33