Finding the Third Proportional to 7,173 and 17,383.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,173 : 17,383.50 = 17,383.50 : x
2. Step 2: Convert to fraction form
   7,173/17,383.50 = 17,383.50/x
3. Step 3: Cross multiply
   7,173x = 17,383.50 × 17,383.50
4. Step 4: Simplify right side
   7,173x = 302,186,072.25
5. Step 5: Solve for x
   x = 302,186,072.25/7,173
6. Step 6: Final answer
   x = 42,128.27