Finding the Third Proportional to 804 and 1,747.50

Step by Step Solution

1. Step 1: Write the proportion equation
   804 : 1,747.50 = 1,747.50 : x
2. Step 2: Convert to fraction form
   804/1,747.50 = 1,747.50/x
3. Step 3: Cross multiply
   804x = 1,747.50 × 1,747.50
4. Step 4: Simplify right side
   804x = 3,053,756.25
5. Step 5: Solve for x
   x = 3,053,756.25/804
6. Step 6: Final answer
   x = 3,798.20