Finding the Third Proportional to 12,089.81 and 18,492.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,089.81 : 18,492.47 = 18,492.47 : x
2. Step 2: Convert to fraction form
   12,089.81/18,492.47 = 18,492.47/x
3. Step 3: Cross multiply
   12,089.81x = 18,492.47 × 18,492.47
4. Step 4: Simplify right side
   12,089.81x = 341,971,400.47
5. Step 5: Solve for x
   x = 341,971,400.47/12,089.81
6. Step 6: Final answer
   x = 28,285.91