Finding the Third Proportional to 114.88 and 192.69

Step by Step Solution

1. Step 1: Write the proportion equation
   114.88 : 192.69 = 192.69 : x
2. Step 2: Convert to fraction form
   114.88/192.69 = 192.69/x
3. Step 3: Cross multiply
   114.88x = 192.69 × 192.69
4. Step 4: Simplify right side
   114.88x = 37,128.47
5. Step 5: Solve for x
   x = 37,128.47/114.88
6. Step 6: Final answer
   x = 323.21