Finding the Third Proportional to 17,518.50 and 26,281.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,518.50 : 26,281.50 = 26,281.50 : x
2. Step 2: Convert to fraction form
   17,518.50/26,281.50 = 26,281.50/x
3. Step 3: Cross multiply
   17,518.50x = 26,281.50 × 26,281.50
4. Step 4: Simplify right side
   17,518.50x = 690,717,242.25
5. Step 5: Solve for x
   x = 690,717,242.25/17,518.50
6. Step 6: Final answer
   x = 39,427.88