Finding the Third Proportional to 5,406 and 10,020

Step by Step Solution

1. Step 1: Write the proportion equation
   5,406 : 10,020 = 10,020 : x
2. Step 2: Convert to fraction form
   5,406/10,020 = 10,020/x
3. Step 3: Cross multiply
   5,406x = 10,020 × 10,020
4. Step 4: Simplify right side
   5,406x = 100,400,400
5. Step 5: Solve for x
   x = 100,400,400/5,406
6. Step 6: Final answer
   x = 18,572.03