Finding the Third Proportional to 200.31 and 304.56

Step by Step Solution

1. Step 1: Write the proportion equation
   200.31 : 304.56 = 304.56 : x
2. Step 2: Convert to fraction form
   200.31/304.56 = 304.56/x
3. Step 3: Cross multiply
   200.31x = 304.56 × 304.56
4. Step 4: Simplify right side
   200.31x = 92,758.32
5. Step 5: Solve for x
   x = 92,758.32/200.31
6. Step 6: Final answer
   x = 463.07