Finding the Third Proportional to 8,148 and 12,185.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,148 : 12,185.25 = 12,185.25 : x
2. Step 2: Convert to fraction form
   8,148/12,185.25 = 12,185.25/x
3. Step 3: Cross multiply
   8,148x = 12,185.25 × 12,185.25
4. Step 4: Simplify right side
   8,148x = 148,480,317.56
5. Step 5: Solve for x
   x = 148,480,317.56/8,148
6. Step 6: Final answer
   x = 18,222.92