Finding the Third Proportional to 91.13 and 123.84

Step by Step Solution

1. Step 1: Write the proportion equation
   91.13 : 123.84 = 123.84 : x
2. Step 2: Convert to fraction form
   91.13/123.84 = 123.84/x
3. Step 3: Cross multiply
   91.13x = 123.84 × 123.84
4. Step 4: Simplify right side
   91.13x = 15,337.27
5. Step 5: Solve for x
   x = 15,337.27/91.13
6. Step 6: Final answer
   x = 168.31