Finding the Third Proportional to 628.50 and 933.25

Step by Step Solution

1. Step 1: Write the proportion equation
   628.50 : 933.25 = 933.25 : x
2. Step 2: Convert to fraction form
   628.50/933.25 = 933.25/x
3. Step 3: Cross multiply
   628.50x = 933.25 × 933.25
4. Step 4: Simplify right side
   628.50x = 870,955.56
5. Step 5: Solve for x
   x = 870,955.56/628.50
6. Step 6: Final answer
   x = 1,385.77