Finding the Third Proportional to 18,008.58 and 27,018.56

Step by Step Solution

1. Step 1: Write the proportion equation
   18,008.58 : 27,018.56 = 27,018.56 : x
2. Step 2: Convert to fraction form
   18,008.58/27,018.56 = 27,018.56/x
3. Step 3: Cross multiply
   18,008.58x = 27,018.56 × 27,018.56
4. Step 4: Simplify right side
   18,008.58x = 730,002,719.57
5. Step 5: Solve for x
   x = 730,002,719.57/18,008.58
6. Step 6: Final answer
   x = 40,536.39