Finding the Third Proportional to 43.50 and 65.63

Step by Step Solution

1. Step 1: Write the proportion equation
   43.50 : 65.63 = 65.63 : x
2. Step 2: Convert to fraction form
   43.50/65.63 = 65.63/x
3. Step 3: Cross multiply
   43.50x = 65.63 × 65.63
4. Step 4: Simplify right side
   43.50x = 4,306.64
5. Step 5: Solve for x
   x = 4,306.64/43.50
6. Step 6: Final answer
   x = 99.00