Finding the Third Proportional to 22.50 and 44.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22.50 : 44.72 = 44.72 : x
2. Step 2: Convert to fraction form
   22.50/44.72 = 44.72/x
3. Step 3: Cross multiply
   22.50x = 44.72 × 44.72
4. Step 4: Simplify right side
   22.50x = 1,999.77
5. Step 5: Solve for x
   x = 1,999.77/22.50
6. Step 6: Final answer
   x = 88.88