Finding the Third Proportional to 4,950.56 and 10,309.22

Step by Step Solution

1. Step 1: Write the proportion equation
   4,950.56 : 10,309.22 = 10,309.22 : x
2. Step 2: Convert to fraction form
   4,950.56/10,309.22 = 10,309.22/x
3. Step 3: Cross multiply
   4,950.56x = 10,309.22 × 10,309.22
4. Step 4: Simplify right side
   4,950.56x = 106,279,991.24
5. Step 5: Solve for x
   x = 106,279,991.24/4,950.56
6. Step 6: Final answer
   x = 21,468.27