Finding the Third Proportional to 18,689.63 and 27,766.69

Step by Step Solution

1. Step 1: Write the proportion equation
   18,689.63 : 27,766.69 = 27,766.69 : x
2. Step 2: Convert to fraction form
   18,689.63/27,766.69 = 27,766.69/x
3. Step 3: Cross multiply
   18,689.63x = 27,766.69 × 27,766.69
4. Step 4: Simplify right side
   18,689.63x = 770,988,934.72
5. Step 5: Solve for x
   x = 770,988,934.72/18,689.63
6. Step 6: Final answer
   x = 41,252.24