Finding the Third Proportional to 79.88 and 123.33

Step by Step Solution

1. Step 1: Write the proportion equation
   79.88 : 123.33 = 123.33 : x
2. Step 2: Convert to fraction form
   79.88/123.33 = 123.33/x
3. Step 3: Cross multiply
   79.88x = 123.33 × 123.33
4. Step 4: Simplify right side
   79.88x = 15,209.83
5. Step 5: Solve for x
   x = 15,209.83/79.88
6. Step 6: Final answer
   x = 190.42