Finding the Third Proportional to 17,317.50 and 26,866.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,317.50 : 26,866.50 = 26,866.50 : x
2. Step 2: Convert to fraction form
   17,317.50/26,866.50 = 26,866.50/x
3. Step 3: Cross multiply
   17,317.50x = 26,866.50 × 26,866.50
4. Step 4: Simplify right side
   17,317.50x = 721,808,822.25
5. Step 5: Solve for x
   x = 721,808,822.25/17,317.50
6. Step 6: Final answer
   x = 41,680.89