Finding the Third Proportional to 160.69 and 351.56

Step by Step Solution

1. Step 1: Write the proportion equation
   160.69 : 351.56 = 351.56 : x
2. Step 2: Convert to fraction form
   160.69/351.56 = 351.56/x
3. Step 3: Cross multiply
   160.69x = 351.56 × 351.56
4. Step 4: Simplify right side
   160.69x = 123,596.19
5. Step 5: Solve for x
   x = 123,596.19/160.69
6. Step 6: Final answer
   x = 769.17