Finding the Third Proportional to 20,210 and 30,892

Step by Step Solution

1. Step 1: Write the proportion equation
   20,210 : 30,892 = 30,892 : x
2. Step 2: Convert to fraction form
   20,210/30,892 = 30,892/x
3. Step 3: Cross multiply
   20,210x = 30,892 × 30,892
4. Step 4: Simplify right side
   20,210x = 954,315,664
5. Step 5: Solve for x
   x = 954,315,664/20,210
6. Step 6: Final answer
   x = 47,219.97