Finding the Third Proportional to 8,173.50 and 17,643.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,173.50 : 17,643.50 = 17,643.50 : x
2. Step 2: Convert to fraction form
   8,173.50/17,643.50 = 17,643.50/x
3. Step 3: Cross multiply
   8,173.50x = 17,643.50 × 17,643.50
4. Step 4: Simplify right side
   8,173.50x = 311,293,092.25
5. Step 5: Solve for x
   x = 311,293,092.25/8,173.50
6. Step 6: Final answer
   x = 38,085.65