Finding the Third Proportional to 3,782,734 and 8,208,474

Step by Step Solution

1. Step 1: Write the proportion equation
   3,782,734 : 8,208,474 = 8,208,474 : x
2. Step 2: Convert to fraction form
   3,782,734/8,208,474 = 8,208,474/x
3. Step 3: Cross multiply
   3,782,734x = 8,208,474 × 8,208,474
4. Step 4: Simplify right side
   3,782,734x = 67,379,045,408,676
5. Step 5: Solve for x
   x = 67,379,045,408,676/3,782,734
6. Step 6: Final answer
   x = 17,812,261.03