Finding the Third Proportional to 4,810 and 10,003

Step by Step Solution

1. Step 1: Write the proportion equation
   4,810 : 10,003 = 10,003 : x
2. Step 2: Convert to fraction form
   4,810/10,003 = 10,003/x
3. Step 3: Cross multiply
   4,810x = 10,003 × 10,003
4. Step 4: Simplify right side
   4,810x = 100,060,009
5. Step 5: Solve for x
   x = 100,060,009/4,810
6. Step 6: Final answer
   x = 20,802.50