Finding the Third Proportional to 18,491.63 and 27,087.75

Step by Step Solution

1. Step 1: Write the proportion equation
   18,491.63 : 27,087.75 = 27,087.75 : x
2. Step 2: Convert to fraction form
   18,491.63/27,087.75 = 27,087.75/x
3. Step 3: Cross multiply
   18,491.63x = 27,087.75 × 27,087.75
4. Step 4: Simplify right side
   18,491.63x = 733,746,200.06
5. Step 5: Solve for x
   x = 733,746,200.06/18,491.63
6. Step 6: Final answer
   x = 39,679.92