Finding the Third Proportional to 2,210.75 and 4,831.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210.75 : 4,831.56 = 4,831.56 : x
2. Step 2: Convert to fraction form
   2,210.75/4,831.56 = 4,831.56/x
3. Step 3: Cross multiply
   2,210.75x = 4,831.56 × 4,831.56
4. Step 4: Simplify right side
   2,210.75x = 23,343,996.19
5. Step 5: Solve for x
   x = 23,343,996.19/2,210.75
6. Step 6: Final answer
   x = 10,559.31