Finding the Third Proportional to 2,483.16 and 5,409.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,483.16 : 5,409.28 = 5,409.28 : x
2. Step 2: Convert to fraction form
   2,483.16/5,409.28 = 5,409.28/x
3. Step 3: Cross multiply
   2,483.16x = 5,409.28 × 5,409.28
4. Step 4: Simplify right side
   2,483.16x = 29,260,323.64
5. Step 5: Solve for x
   x = 29,260,323.64/2,483.16
6. Step 6: Final answer
   x = 11,783.52