Finding the Third Proportional to 19.14 and 41.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19.14 : 41.72 = 41.72 : x
2. Step 2: Convert to fraction form
   19.14/41.72 = 41.72/x
3. Step 3: Cross multiply
   19.14x = 41.72 × 41.72
4. Step 4: Simplify right side
   19.14x = 1,740.70
5. Step 5: Solve for x
   x = 1,740.70/19.14
6. Step 6: Final answer
   x = 90.95