Finding the Third Proportional to 17,617.50 and 26,289.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,617.50 : 26,289.56 = 26,289.56 : x
2. Step 2: Convert to fraction form
   17,617.50/26,289.56 = 26,289.56/x
3. Step 3: Cross multiply
   17,617.50x = 26,289.56 × 26,289.56
4. Step 4: Simplify right side
   17,617.50x = 691,141,096.44
5. Step 5: Solve for x
   x = 691,141,096.44/17,617.50
6. Step 6: Final answer
   x = 39,230.37