Finding the Third Proportional to 5,629.50 and 10,719

Step by Step Solution

1. Step 1: Write the proportion equation
   5,629.50 : 10,719 = 10,719 : x
2. Step 2: Convert to fraction form
   5,629.50/10,719 = 10,719/x
3. Step 3: Cross multiply
   5,629.50x = 10,719 × 10,719
4. Step 4: Simplify right side
   5,629.50x = 114,896,961
5. Step 5: Solve for x
   x = 114,896,961/5,629.50
6. Step 6: Final answer
   x = 20,409.80