Finding the Third Proportional to 38.79 and 45.67

Step by Step Solution

1. Step 1: Write the proportion equation
   38.79 : 45.67 = 45.67 : x
2. Step 2: Convert to fraction form
   38.79/45.67 = 45.67/x
3. Step 3: Cross multiply
   38.79x = 45.67 × 45.67
4. Step 4: Simplify right side
   38.79x = 2,085.64
5. Step 5: Solve for x
   x = 2,085.64/38.79
6. Step 6: Final answer
   x = 53.77