Finding the Third Proportional to 104.18 and 151.98

Step by Step Solution

1. Step 1: Write the proportion equation
   104.18 : 151.98 = 151.98 : x
2. Step 2: Convert to fraction form
   104.18/151.98 = 151.98/x
3. Step 3: Cross multiply
   104.18x = 151.98 × 151.98
4. Step 4: Simplify right side
   104.18x = 23,098.06
5. Step 5: Solve for x
   x = 23,098.06/104.18
6. Step 6: Final answer
   x = 221.72