Finding the Third Proportional to 8,122.78 and 16,222.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,122.78 : 16,222.78 = 16,222.78 : x
2. Step 2: Convert to fraction form
   8,122.78/16,222.78 = 16,222.78/x
3. Step 3: Cross multiply
   8,122.78x = 16,222.78 × 16,222.78
4. Step 4: Simplify right side
   8,122.78x = 263,178,631.49
5. Step 5: Solve for x
   x = 263,178,631.49/8,122.78
6. Step 6: Final answer
   x = 32,400.06