Finding the Third Proportional to 11,805.50 and 25,757.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,805.50 : 25,757.50 = 25,757.50 : x
2. Step 2: Convert to fraction form
   11,805.50/25,757.50 = 25,757.50/x
3. Step 3: Cross multiply
   11,805.50x = 25,757.50 × 25,757.50
4. Step 4: Simplify right side
   11,805.50x = 663,448,806.25
5. Step 5: Solve for x
   x = 663,448,806.25/11,805.50
6. Step 6: Final answer
   x = 56,198.28