Finding the Third Proportional to 83.88 and 101.88

Step by Step Solution

1. Step 1: Write the proportion equation
   83.88 : 101.88 = 101.88 : x
2. Step 2: Convert to fraction form
   83.88/101.88 = 101.88/x
3. Step 3: Cross multiply
   83.88x = 101.88 × 101.88
4. Step 4: Simplify right side
   83.88x = 10,378.52
5. Step 5: Solve for x
   x = 10,378.52/83.88
6. Step 6: Final answer
   x = 123.74