Finding the Third Proportional to 3,121.98 and 4,850.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,121.98 : 4,850.51 = 4,850.51 : x
2. Step 2: Convert to fraction form
   3,121.98/4,850.51 = 4,850.51/x
3. Step 3: Cross multiply
   3,121.98x = 4,850.51 × 4,850.51
4. Step 4: Simplify right side
   3,121.98x = 23,527,426.04
5. Step 5: Solve for x
   x = 23,527,426.04/3,121.98
6. Step 6: Final answer
   x = 7,536.06