Finding the Third Proportional to 850 and 1,754.50

Step by Step Solution

1. Step 1: Write the proportion equation
   850 : 1,754.50 = 1,754.50 : x
2. Step 2: Convert to fraction form
   850/1,754.50 = 1,754.50/x
3. Step 3: Cross multiply
   850x = 1,754.50 × 1,754.50
4. Step 4: Simplify right side
   850x = 3,078,270.25
5. Step 5: Solve for x
   x = 3,078,270.25/850
6. Step 6: Final answer
   x = 3,621.49