Finding the Third Proportional to 2,127.94 and 4,509.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127.94 : 4,509.56 = 4,509.56 : x
2. Step 2: Convert to fraction form
   2,127.94/4,509.56 = 4,509.56/x
3. Step 3: Cross multiply
   2,127.94x = 4,509.56 × 4,509.56
4. Step 4: Simplify right side
   2,127.94x = 20,336,153.94
5. Step 5: Solve for x
   x = 20,336,153.94/2,127.94
6. Step 6: Final answer
   x = 9,556.74