Finding the Third Proportional to 68.82 and 104.89

Step by Step Solution

1. Step 1: Write the proportion equation
   68.82 : 104.89 = 104.89 : x
2. Step 2: Convert to fraction form
   68.82/104.89 = 104.89/x
3. Step 3: Cross multiply
   68.82x = 104.89 × 104.89
4. Step 4: Simplify right side
   68.82x = 11,001.63
5. Step 5: Solve for x
   x = 11,001.63/68.82
6. Step 6: Final answer
   x = 159.86