Finding the Third Proportional to 8,148.09 and 12,608.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,148.09 : 12,608.16 = 12,608.16 : x
2. Step 2: Convert to fraction form
   8,148.09/12,608.16 = 12,608.16/x
3. Step 3: Cross multiply
   8,148.09x = 12,608.16 × 12,608.16
4. Step 4: Simplify right side
   8,148.09x = 158,965,604.02
5. Step 5: Solve for x
   x = 158,965,604.02/8,148.09
6. Step 6: Final answer
   x = 19,509.55