Finding the Third Proportional to 10,071 and 20,418

Step by Step Solution

1. Step 1: Write the proportion equation
   10,071 : 20,418 = 20,418 : x
2. Step 2: Convert to fraction form
   10,071/20,418 = 20,418/x
3. Step 3: Cross multiply
   10,071x = 20,418 × 20,418
4. Step 4: Simplify right side
   10,071x = 416,894,724
5. Step 5: Solve for x
   x = 416,894,724/10,071
6. Step 6: Final answer
   x = 41,395.56