Finding the Third Proportional to 3,840,800 and 8,276,456

Step by Step Solution

1. Step 1: Write the proportion equation
   3,840,800 : 8,276,456 = 8,276,456 : x
2. Step 2: Convert to fraction form
   3,840,800/8,276,456 = 8,276,456/x
3. Step 3: Cross multiply
   3,840,800x = 8,276,456 × 8,276,456
4. Step 4: Simplify right side
   3,840,800x = 68,499,723,919,936
5. Step 5: Solve for x
   x = 68,499,723,919,936/3,840,800
6. Step 6: Final answer
   x = 17,834,754.20