Finding the Third Proportional to 660 and 933.50

Step by Step Solution

1. Step 1: Write the proportion equation
   660 : 933.50 = 933.50 : x
2. Step 2: Convert to fraction form
   660/933.50 = 933.50/x
3. Step 3: Cross multiply
   660x = 933.50 × 933.50
4. Step 4: Simplify right side
   660x = 871,422.25
5. Step 5: Solve for x
   x = 871,422.25/660
6. Step 6: Final answer
   x = 1,320.34