Finding the Third Proportional to 2,485.03 and 5,359.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485.03 : 5,359.28 = 5,359.28 : x
2. Step 2: Convert to fraction form
   2,485.03/5,359.28 = 5,359.28/x
3. Step 3: Cross multiply
   2,485.03x = 5,359.28 × 5,359.28
4. Step 4: Simplify right side
   2,485.03x = 28,721,895.52
5. Step 5: Solve for x
   x = 28,721,895.52/2,485.03
6. Step 6: Final answer
   x = 11,557.96