Finding the Third Proportional to 17,503.50 and 26,578.88

Step by Step Solution

1. Step 1: Write the proportion equation
   17,503.50 : 26,578.88 = 26,578.88 : x
2. Step 2: Convert to fraction form
   17,503.50/26,578.88 = 26,578.88/x
3. Step 3: Cross multiply
   17,503.50x = 26,578.88 × 26,578.88
4. Step 4: Simplify right side
   17,503.50x = 706,436,596.27
5. Step 5: Solve for x
   x = 706,436,596.27/17,503.50
6. Step 6: Final answer
   x = 40,359.73