Finding the Third Proportional to 671.50 and 940.25

Step by Step Solution

1. Step 1: Write the proportion equation
   671.50 : 940.25 = 940.25 : x
2. Step 2: Convert to fraction form
   671.50/940.25 = 940.25/x
3. Step 3: Cross multiply
   671.50x = 940.25 × 940.25
4. Step 4: Simplify right side
   671.50x = 884,070.06
5. Step 5: Solve for x
   x = 884,070.06/671.50
6. Step 6: Final answer
   x = 1,316.56