Finding the Third Proportional to 3,128.94 and 4,843.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,128.94 : 4,843.23 = 4,843.23 : x
2. Step 2: Convert to fraction form
   3,128.94/4,843.23 = 4,843.23/x
3. Step 3: Cross multiply
   3,128.94x = 4,843.23 × 4,843.23
4. Step 4: Simplify right side
   3,128.94x = 23,456,881.37
5. Step 5: Solve for x
   x = 23,456,881.37/3,128.94
6. Step 6: Final answer
   x = 7,496.75