Finding the Third Proportional to 18,261.09 and 27,391.59

Step by Step Solution

1. Step 1: Write the proportion equation
   18,261.09 : 27,391.59 = 27,391.59 : x
2. Step 2: Convert to fraction form
   18,261.09/27,391.59 = 27,391.59/x
3. Step 3: Cross multiply
   18,261.09x = 27,391.59 × 27,391.59
4. Step 4: Simplify right side
   18,261.09x = 750,299,408.17
5. Step 5: Solve for x
   x = 750,299,408.17/18,261.09
6. Step 6: Final answer
   x = 41,087.32