Finding the Third Proportional to 3,503.25 and 7,188.75

Step by Step Solution

1. Step 1: Write the proportion equation
   3,503.25 : 7,188.75 = 7,188.75 : x
2. Step 2: Convert to fraction form
   3,503.25/7,188.75 = 7,188.75/x
3. Step 3: Cross multiply
   3,503.25x = 7,188.75 × 7,188.75
4. Step 4: Simplify right side
   3,503.25x = 51,678,126.56
5. Step 5: Solve for x
   x = 51,678,126.56/3,503.25
6. Step 6: Final answer
   x = 14,751.48