Finding the Third Proportional to 18,289.88 and 27,356.81

Step by Step Solution

1. Step 1: Write the proportion equation
   18,289.88 : 27,356.81 = 27,356.81 : x
2. Step 2: Convert to fraction form
   18,289.88/27,356.81 = 27,356.81/x
3. Step 3: Cross multiply
   18,289.88x = 27,356.81 × 27,356.81
4. Step 4: Simplify right side
   18,289.88x = 748,395,190.16
5. Step 5: Solve for x
   x = 748,395,190.16/18,289.88
6. Step 6: Final answer
   x = 40,918.55