Finding the Third Proportional to 21.50 and 46.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21.50 : 46.25 = 46.25 : x
2. Step 2: Convert to fraction form
   21.50/46.25 = 46.25/x
3. Step 3: Cross multiply
   21.50x = 46.25 × 46.25
4. Step 4: Simplify right side
   21.50x = 2,139.06
5. Step 5: Solve for x
   x = 2,139.06/21.50
6. Step 6: Final answer
   x = 99.49