Finding the Third Proportional to 13,136 and 19,947

Step by Step Solution

1. Step 1: Write the proportion equation
   13,136 : 19,947 = 19,947 : x
2. Step 2: Convert to fraction form
   13,136/19,947 = 19,947/x
3. Step 3: Cross multiply
   13,136x = 19,947 × 19,947
4. Step 4: Simplify right side
   13,136x = 397,882,809
5. Step 5: Solve for x
   x = 397,882,809/13,136
6. Step 6: Final answer
   x = 30,289.50