Finding the Third Proportional to 70.69 and 104.91

Step by Step Solution

1. Step 1: Write the proportion equation
   70.69 : 104.91 = 104.91 : x
2. Step 2: Convert to fraction form
   70.69/104.91 = 104.91/x
3. Step 3: Cross multiply
   70.69x = 104.91 × 104.91
4. Step 4: Simplify right side
   70.69x = 11,005.32
5. Step 5: Solve for x
   x = 11,005.32/70.69
6. Step 6: Final answer
   x = 155.69