Finding the Third Proportional to 3,920,525 and 8,492,520

Step by Step Solution

1. Step 1: Write the proportion equation
   3,920,525 : 8,492,520 = 8,492,520 : x
2. Step 2: Convert to fraction form
   3,920,525/8,492,520 = 8,492,520/x
3. Step 3: Cross multiply
   3,920,525x = 8,492,520 × 8,492,520
4. Step 4: Simplify right side
   3,920,525x = 72,122,895,950,400
5. Step 5: Solve for x
   x = 72,122,895,950,400/3,920,525
6. Step 6: Final answer
   x = 18,396,234.17