Finding the Third Proportional to 18,987.75 and 27,751.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,987.75 : 27,751.50 = 27,751.50 : x
2. Step 2: Convert to fraction form
   18,987.75/27,751.50 = 27,751.50/x
3. Step 3: Cross multiply
   18,987.75x = 27,751.50 × 27,751.50
4. Step 4: Simplify right side
   18,987.75x = 770,145,752.25
5. Step 5: Solve for x
   x = 770,145,752.25/18,987.75
6. Step 6: Final answer
   x = 40,560.14