Finding the Third Proportional to 16,990 and 22,947

Step by Step Solution

1. Step 1: Write the proportion equation
   16,990 : 22,947 = 22,947 : x
2. Step 2: Convert to fraction form
   16,990/22,947 = 22,947/x
3. Step 3: Cross multiply
   16,990x = 22,947 × 22,947
4. Step 4: Simplify right side
   16,990x = 526,564,809
5. Step 5: Solve for x
   x = 526,564,809/16,990
6. Step 6: Final answer
   x = 30,992.63