Finding the Third Proportional to 3,894,106 and 8,522,311

Step by Step Solution

1. Step 1: Write the proportion equation
   3,894,106 : 8,522,311 = 8,522,311 : x
2. Step 2: Convert to fraction form
   3,894,106/8,522,311 = 8,522,311/x
3. Step 3: Cross multiply
   3,894,106x = 8,522,311 × 8,522,311
4. Step 4: Simplify right side
   3,894,106x = 72,629,784,780,721
5. Step 5: Solve for x
   x = 72,629,784,780,721/3,894,106
6. Step 6: Final answer
   x = 18,651,208.98