Finding the Third Proportional to 127.88 and 307.22

Step by Step Solution

1. Step 1: Write the proportion equation
   127.88 : 307.22 = 307.22 : x
2. Step 2: Convert to fraction form
   127.88/307.22 = 307.22/x
3. Step 3: Cross multiply
   127.88x = 307.22 × 307.22
4. Step 4: Simplify right side
   127.88x = 94,383.36
5. Step 5: Solve for x
   x = 94,383.36/127.88
6. Step 6: Final answer
   x = 738.09