Finding the Third Proportional to 12,089 and 18,494

Step by Step Solution

1. Step 1: Write the proportion equation
   12,089 : 18,494 = 18,494 : x
2. Step 2: Convert to fraction form
   12,089/18,494 = 18,494/x
3. Step 3: Cross multiply
   12,089x = 18,494 × 18,494
4. Step 4: Simplify right side
   12,089x = 342,028,036
5. Step 5: Solve for x
   x = 342,028,036/12,089
6. Step 6: Final answer
   x = 28,292.50