Finding the Third Proportional to 12,205.38 and 18,308.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,205.38 : 18,308.13 = 18,308.13 : x
2. Step 2: Convert to fraction form
   12,205.38/18,308.13 = 18,308.13/x
3. Step 3: Cross multiply
   12,205.38x = 18,308.13 × 18,308.13
4. Step 4: Simplify right side
   12,205.38x = 335,187,441.02
5. Step 5: Solve for x
   x = 335,187,441.02/12,205.38
6. Step 6: Final answer
   x = 27,462.28