Finding the Third Proportional to 12,092 and 18,684.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,092 : 18,684.50 = 18,684.50 : x
2. Step 2: Convert to fraction form
   12,092/18,684.50 = 18,684.50/x
3. Step 3: Cross multiply
   12,092x = 18,684.50 × 18,684.50
4. Step 4: Simplify right side
   12,092x = 349,110,540.25
5. Step 5: Solve for x
   x = 349,110,540.25/12,092
6. Step 6: Final answer
   x = 28,871.20