Finding the Third Proportional to 4,707 and 10,143

Step by Step Solution

1. Step 1: Write the proportion equation
   4,707 : 10,143 = 10,143 : x
2. Step 2: Convert to fraction form
   4,707/10,143 = 10,143/x
3. Step 3: Cross multiply
   4,707x = 10,143 × 10,143
4. Step 4: Simplify right side
   4,707x = 102,880,449
5. Step 5: Solve for x
   x = 102,880,449/4,707
6. Step 6: Final answer
   x = 21,856.90