Finding the Third Proportional to 16.55 and 35.51

Step by Step Solution

1. Step 1: Write the proportion equation
   16.55 : 35.51 = 35.51 : x
2. Step 2: Convert to fraction form
   16.55/35.51 = 35.51/x
3. Step 3: Cross multiply
   16.55x = 35.51 × 35.51
4. Step 4: Simplify right side
   16.55x = 1,260.73
5. Step 5: Solve for x
   x = 1,260.73/16.55
6. Step 6: Final answer
   x = 76.17