Finding the Third Proportional to 8,174.67 and 12,571.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,174.67 : 12,571.45 = 12,571.45 : x
2. Step 2: Convert to fraction form
   8,174.67/12,571.45 = 12,571.45/x
3. Step 3: Cross multiply
   8,174.67x = 12,571.45 × 12,571.45
4. Step 4: Simplify right side
   8,174.67x = 158,041,433.67
5. Step 5: Solve for x
   x = 158,041,433.67/8,174.67
6. Step 6: Final answer
   x = 19,333.06