Finding the Third Proportional to 4,753 and 10,221

Step by Step Solution

1. Step 1: Write the proportion equation
   4,753 : 10,221 = 10,221 : x
2. Step 2: Convert to fraction form
   4,753/10,221 = 10,221/x
3. Step 3: Cross multiply
   4,753x = 10,221 × 10,221
4. Step 4: Simplify right side
   4,753x = 104,468,841
5. Step 5: Solve for x
   x = 104,468,841/4,753
6. Step 6: Final answer
   x = 21,979.56