Finding the Third Proportional to 43.55 and 65.98

Step by Step Solution

1. Step 1: Write the proportion equation
   43.55 : 65.98 = 65.98 : x
2. Step 2: Convert to fraction form
   43.55/65.98 = 65.98/x
3. Step 3: Cross multiply
   43.55x = 65.98 × 65.98
4. Step 4: Simplify right side
   43.55x = 4,353.53
5. Step 5: Solve for x
   x = 4,353.53/43.55
6. Step 6: Final answer
   x = 99.97