Finding the Third Proportional to 101.88 and 114.88

Step by Step Solution

1. Step 1: Write the proportion equation
   101.88 : 114.88 = 114.88 : x
2. Step 2: Convert to fraction form
   101.88/114.88 = 114.88/x
3. Step 3: Cross multiply
   101.88x = 114.88 × 114.88
4. Step 4: Simplify right side
   101.88x = 13,196.27
5. Step 5: Solve for x
   x = 13,196.27/101.88
6. Step 6: Final answer
   x = 129.53