Finding the Third Proportional to 12,109.13 and 18,233.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,109.13 : 18,233.63 = 18,233.63 : x
2. Step 2: Convert to fraction form
   12,109.13/18,233.63 = 18,233.63/x
3. Step 3: Cross multiply
   12,109.13x = 18,233.63 × 18,233.63
4. Step 4: Simplify right side
   12,109.13x = 332,465,080.64
5. Step 5: Solve for x
   x = 332,465,080.64/12,109.13
6. Step 6: Final answer
   x = 27,455.75