Finding the Third Proportional to 50 and 67.56

Step by Step Solution

1. Step 1: Write the proportion equation
   50 : 67.56 = 67.56 : x
2. Step 2: Convert to fraction form
   50/67.56 = 67.56/x
3. Step 3: Cross multiply
   50x = 67.56 × 67.56
4. Step 4: Simplify right side
   50x = 4,564.69
5. Step 5: Solve for x
   x = 4,564.69/50
6. Step 6: Final answer
   x = 91.29