Finding the Third Proportional to 4,799 and 10,123

Step by Step Solution

1. Step 1: Write the proportion equation
   4,799 : 10,123 = 10,123 : x
2. Step 2: Convert to fraction form
   4,799/10,123 = 10,123/x
3. Step 3: Cross multiply
   4,799x = 10,123 × 10,123
4. Step 4: Simplify right side
   4,799x = 102,475,129
5. Step 5: Solve for x
   x = 102,475,129/4,799
6. Step 6: Final answer
   x = 21,353.43