Finding the Third Proportional to 17,288 and 26,699.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,288 : 26,699.50 = 26,699.50 : x
2. Step 2: Convert to fraction form
   17,288/26,699.50 = 26,699.50/x
3. Step 3: Cross multiply
   17,288x = 26,699.50 × 26,699.50
4. Step 4: Simplify right side
   17,288x = 712,863,300.25
5. Step 5: Solve for x
   x = 712,863,300.25/17,288
6. Step 6: Final answer
   x = 41,234.57