Finding the Third Proportional to 17,287 and 26,089.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,287 : 26,089.50 = 26,089.50 : x
2. Step 2: Convert to fraction form
   17,287/26,089.50 = 26,089.50/x
3. Step 3: Cross multiply
   17,287x = 26,089.50 × 26,089.50
4. Step 4: Simplify right side
   17,287x = 680,662,010.25
5. Step 5: Solve for x
   x = 680,662,010.25/17,287
6. Step 6: Final answer
   x = 39,374.21