Finding the Third Proportional to 200.25 and 243.98

Step by Step Solution

1. Step 1: Write the proportion equation
   200.25 : 243.98 = 243.98 : x
2. Step 2: Convert to fraction form
   200.25/243.98 = 243.98/x
3. Step 3: Cross multiply
   200.25x = 243.98 × 243.98
4. Step 4: Simplify right side
   200.25x = 59,528.38
5. Step 5: Solve for x
   x = 59,528.38/200.25
6. Step 6: Final answer
   x = 297.27