Finding the Third Proportional to 250.28 and 384.91

Step by Step Solution

1. Step 1: Write the proportion equation
   250.28 : 384.91 = 384.91 : x
2. Step 2: Convert to fraction form
   250.28/384.91 = 384.91/x
3. Step 3: Cross multiply
   250.28x = 384.91 × 384.91
4. Step 4: Simplify right side
   250.28x = 148,154.32
5. Step 5: Solve for x
   x = 148,154.32/250.28
6. Step 6: Final answer
   x = 591.96