Finding the Third Proportional to 17,919 and 38,947

Step by Step Solution

1. Step 1: Write the proportion equation
   17,919 : 38,947 = 38,947 : x
2. Step 2: Convert to fraction form
   17,919/38,947 = 38,947/x
3. Step 3: Cross multiply
   17,919x = 38,947 × 38,947
4. Step 4: Simplify right side
   17,919x = 1,516,868,809
5. Step 5: Solve for x
   x = 1,516,868,809/17,919
6. Step 6: Final answer
   x = 84,651.42