Finding the Third Proportional to 300.75 and 471.38

Step by Step Solution

1. Step 1: Write the proportion equation
   300.75 : 471.38 = 471.38 : x
2. Step 2: Convert to fraction form
   300.75/471.38 = 471.38/x
3. Step 3: Cross multiply
   300.75x = 471.38 × 471.38
4. Step 4: Simplify right side
   300.75x = 222,194.39
5. Step 5: Solve for x
   x = 222,194.39/300.75
6. Step 6: Final answer
   x = 738.80