Finding the Third Proportional to 20,671 and 30,947

Step by Step Solution

1. Step 1: Write the proportion equation
   20,671 : 30,947 = 30,947 : x
2. Step 2: Convert to fraction form
   20,671/30,947 = 30,947/x
3. Step 3: Cross multiply
   20,671x = 30,947 × 30,947
4. Step 4: Simplify right side
   20,671x = 957,716,809
5. Step 5: Solve for x
   x = 957,716,809/20,671
6. Step 6: Final answer
   x = 46,331.42