Finding the Third Proportional to 2,216.53 and 4,810.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216.53 : 4,810.78 = 4,810.78 : x
2. Step 2: Convert to fraction form
   2,216.53/4,810.78 = 4,810.78/x
3. Step 3: Cross multiply
   2,216.53x = 4,810.78 × 4,810.78
4. Step 4: Simplify right side
   2,216.53x = 23,143,616.24
5. Step 5: Solve for x
   x = 23,143,616.24/2,216.53
6. Step 6: Final answer
   x = 10,441.37