Finding the Third Proportional to 79.56 and 175.56

Step by Step Solution

1. Step 1: Write the proportion equation
   79.56 : 175.56 = 175.56 : x
2. Step 2: Convert to fraction form
   79.56/175.56 = 175.56/x
3. Step 3: Cross multiply
   79.56x = 175.56 × 175.56
4. Step 4: Simplify right side
   79.56x = 30,822.19
5. Step 5: Solve for x
   x = 30,822.19/79.56
6. Step 6: Final answer
   x = 387.40