Finding the Third Proportional to 10,436 and 19,660

Step by Step Solution

1. Step 1: Write the proportion equation
   10,436 : 19,660 = 19,660 : x
2. Step 2: Convert to fraction form
   10,436/19,660 = 19,660/x
3. Step 3: Cross multiply
   10,436x = 19,660 × 19,660
4. Step 4: Simplify right side
   10,436x = 386,515,600
5. Step 5: Solve for x
   x = 386,515,600/10,436
6. Step 6: Final answer
   x = 37,036.76