Finding the Third Proportional to 21.30 and 48.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21.30 : 48.52 = 48.52 : x
2. Step 2: Convert to fraction form
   21.30/48.52 = 48.52/x
3. Step 3: Cross multiply
   21.30x = 48.52 × 48.52
4. Step 4: Simplify right side
   21.30x = 2,353.77
5. Step 5: Solve for x
   x = 2,353.77/21.30
6. Step 6: Final answer
   x = 110.48