Finding the Third Proportional to 3,669,496 and 8,290,327

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,496 : 8,290,327 = 8,290,327 : x
2. Step 2: Convert to fraction form
   3,669,496/8,290,327 = 8,290,327/x
3. Step 3: Cross multiply
   3,669,496x = 8,290,327 × 8,290,327
4. Step 4: Simplify right side
   3,669,496x = 68,729,521,766,929
5. Step 5: Solve for x
   x = 68,729,521,766,929/3,669,496
6. Step 6: Final answer
   x = 18,729,962.31