Finding the Third Proportional to 18,134.72 and 27,738.70

Step by Step Solution

1. Step 1: Write the proportion equation
   18,134.72 : 27,738.70 = 27,738.70 : x
2. Step 2: Convert to fraction form
   18,134.72/27,738.70 = 27,738.70/x
3. Step 3: Cross multiply
   18,134.72x = 27,738.70 × 27,738.70
4. Step 4: Simplify right side
   18,134.72x = 769,435,651.06
5. Step 5: Solve for x
   x = 769,435,651.06/18,134.72
6. Step 6: Final answer
   x = 42,428.87