Finding the Third Proportional to 23.81 and 43.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23.81 : 43.78 = 43.78 : x
2. Step 2: Convert to fraction form
   23.81/43.78 = 43.78/x
3. Step 3: Cross multiply
   23.81x = 43.78 × 43.78
4. Step 4: Simplify right side
   23.81x = 1,916.80
5. Step 5: Solve for x
   x = 1,916.80/23.81
6. Step 6: Final answer
   x = 80.50