Finding the Third Proportional to 104.91 and 158.34

Step by Step Solution

1. Step 1: Write the proportion equation
   104.91 : 158.34 = 158.34 : x
2. Step 2: Convert to fraction form
   104.91/158.34 = 158.34/x
3. Step 3: Cross multiply
   104.91x = 158.34 × 158.34
4. Step 4: Simplify right side
   104.91x = 25,072.74
5. Step 5: Solve for x
   x = 25,072.74/104.91
6. Step 6: Final answer
   x = 239.00