Finding the Third Proportional to 8,114.63 and 12,171.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,114.63 : 12,171.38 = 12,171.38 : x
2. Step 2: Convert to fraction form
   8,114.63/12,171.38 = 12,171.38/x
3. Step 3: Cross multiply
   8,114.63x = 12,171.38 × 12,171.38
4. Step 4: Simplify right side
   8,114.63x = 148,142,369.39
5. Step 5: Solve for x
   x = 148,142,369.39/8,114.63
6. Step 6: Final answer
   x = 18,256.22