Finding the Third Proportional to 4,842 and 10,116

Step by Step Solution

1. Step 1: Write the proportion equation
   4,842 : 10,116 = 10,116 : x
2. Step 2: Convert to fraction form
   4,842/10,116 = 10,116/x
3. Step 3: Cross multiply
   4,842x = 10,116 × 10,116
4. Step 4: Simplify right side
   4,842x = 102,333,456
5. Step 5: Solve for x
   x = 102,333,456/4,842
6. Step 6: Final answer
   x = 21,134.54