Finding the Third Proportional to 398.50 and 942.25

Step by Step Solution

1. Step 1: Write the proportion equation
   398.50 : 942.25 = 942.25 : x
2. Step 2: Convert to fraction form
   398.50/942.25 = 942.25/x
3. Step 3: Cross multiply
   398.50x = 942.25 × 942.25
4. Step 4: Simplify right side
   398.50x = 887,835.06
5. Step 5: Solve for x
   x = 887,835.06/398.50
6. Step 6: Final answer
   x = 2,227.94