Finding the Third Proportional to 18,889.50 and 27,758.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,889.50 : 27,758.25 = 27,758.25 : x
2. Step 2: Convert to fraction form
   18,889.50/27,758.25 = 27,758.25/x
3. Step 3: Cross multiply
   18,889.50x = 27,758.25 × 27,758.25
4. Step 4: Simplify right side
   18,889.50x = 770,520,443.06
5. Step 5: Solve for x
   x = 770,520,443.06/18,889.50
6. Step 6: Final answer
   x = 40,790.94