Finding the Third Proportional to 4,942 and 10,190

Step by Step Solution

1. Step 1: Write the proportion equation
   4,942 : 10,190 = 10,190 : x
2. Step 2: Convert to fraction form
   4,942/10,190 = 10,190/x
3. Step 3: Cross multiply
   4,942x = 10,190 × 10,190
4. Step 4: Simplify right side
   4,942x = 103,836,100
5. Step 5: Solve for x
   x = 103,836,100/4,942
6. Step 6: Final answer
   x = 21,010.95