Finding the Third Proportional to 101.27 and 222.15

Step by Step Solution

1. Step 1: Write the proportion equation
   101.27 : 222.15 = 222.15 : x
2. Step 2: Convert to fraction form
   101.27/222.15 = 222.15/x
3. Step 3: Cross multiply
   101.27x = 222.15 × 222.15
4. Step 4: Simplify right side
   101.27x = 49,351.66
5. Step 5: Solve for x
   x = 49,351.66/101.27
6. Step 6: Final answer
   x = 487.33