Finding the Third Proportional to 4,910 and 10,080

Step by Step Solution

1. Step 1: Write the proportion equation
   4,910 : 10,080 = 10,080 : x
2. Step 2: Convert to fraction form
   4,910/10,080 = 10,080/x
3. Step 3: Cross multiply
   4,910x = 10,080 × 10,080
4. Step 4: Simplify right side
   4,910x = 101,606,400
5. Step 5: Solve for x
   x = 101,606,400/4,910
6. Step 6: Final answer
   x = 20,693.77