Finding the Third Proportional to 103.15 and 157.89

Step by Step Solution

1. Step 1: Write the proportion equation
   103.15 : 157.89 = 157.89 : x
2. Step 2: Convert to fraction form
   103.15/157.89 = 157.89/x
3. Step 3: Cross multiply
   103.15x = 157.89 × 157.89
4. Step 4: Simplify right side
   103.15x = 24,928.22
5. Step 5: Solve for x
   x = 24,928.22/103.15
6. Step 6: Final answer
   x = 241.67