Finding the Third Proportional to 6,990 and 16,947

Step by Step Solution

1. Step 1: Write the proportion equation
   6,990 : 16,947 = 16,947 : x
2. Step 2: Convert to fraction form
   6,990/16,947 = 16,947/x
3. Step 3: Cross multiply
   6,990x = 16,947 × 16,947
4. Step 4: Simplify right side
   6,990x = 287,200,809
5. Step 5: Solve for x
   x = 287,200,809/6,990
6. Step 6: Final answer
   x = 41,087.38