Finding the Third Proportional to 10,291 and 13,947

Step by Step Solution

1. Step 1: Write the proportion equation
   10,291 : 13,947 = 13,947 : x
2. Step 2: Convert to fraction form
   10,291/13,947 = 13,947/x
3. Step 3: Cross multiply
   10,291x = 13,947 × 13,947
4. Step 4: Simplify right side
   10,291x = 194,518,809
5. Step 5: Solve for x
   x = 194,518,809/10,291
6. Step 6: Final answer
   x = 18,901.84