Finding the Third Proportional to 10,143.75 and 21,998.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,143.75 : 21,998.25 = 21,998.25 : x
2. Step 2: Convert to fraction form
   10,143.75/21,998.25 = 21,998.25/x
3. Step 3: Cross multiply
   10,143.75x = 21,998.25 × 21,998.25
4. Step 4: Simplify right side
   10,143.75x = 483,923,003.06
5. Step 5: Solve for x
   x = 483,923,003.06/10,143.75
6. Step 6: Final answer
   x = 47,706.52