Finding the Third Proportional to 4,900.50 and 10,216.13

Step by Step Solution

1. Step 1: Write the proportion equation
   4,900.50 : 10,216.13 = 10,216.13 : x
2. Step 2: Convert to fraction form
   4,900.50/10,216.13 = 10,216.13/x
3. Step 3: Cross multiply
   4,900.50x = 10,216.13 × 10,216.13
4. Step 4: Simplify right side
   4,900.50x = 104,369,210.02
5. Step 5: Solve for x
   x = 104,369,210.02/4,900.50
6. Step 6: Final answer
   x = 21,297.67