Finding the Third Proportional to 12,171 and 18,484

Step by Step Solution

1. Step 1: Write the proportion equation
   12,171 : 18,484 = 18,484 : x
2. Step 2: Convert to fraction form
   12,171/18,484 = 18,484/x
3. Step 3: Cross multiply
   12,171x = 18,484 × 18,484
4. Step 4: Simplify right side
   12,171x = 341,658,256
5. Step 5: Solve for x
   x = 341,658,256/12,171
6. Step 6: Final answer
   x = 28,071.50