Finding the Third Proportional to 2,403.50 and 5,328.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403.50 : 5,328.88 = 5,328.88 : x
2. Step 2: Convert to fraction form
   2,403.50/5,328.88 = 5,328.88/x
3. Step 3: Cross multiply
   2,403.50x = 5,328.88 × 5,328.88
4. Step 4: Simplify right side
   2,403.50x = 28,396,908.77
5. Step 5: Solve for x
   x = 28,396,908.77/2,403.50
6. Step 6: Final answer
   x = 11,814.82