Finding the Third Proportional to 19.34 and 42.03

Step by Step Solution

1. Step 1: Write the proportion equation
   19.34 : 42.03 = 42.03 : x
2. Step 2: Convert to fraction form
   19.34/42.03 = 42.03/x
3. Step 3: Cross multiply
   19.34x = 42.03 × 42.03
4. Step 4: Simplify right side
   19.34x = 1,766.63
5. Step 5: Solve for x
   x = 1,766.63/19.34
6. Step 6: Final answer
   x = 91.33