Finding the Third Proportional to 21.99 and 45.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21.99 : 45.52 = 45.52 : x
2. Step 2: Convert to fraction form
   21.99/45.52 = 45.52/x
3. Step 3: Cross multiply
   21.99x = 45.52 × 45.52
4. Step 4: Simplify right side
   21.99x = 2,072.34
5. Step 5: Solve for x
   x = 2,072.34/21.99
6. Step 6: Final answer
   x = 94.24