Finding the Third Proportional to 9,436 and 20,729

Step by Step Solution

1. Step 1: Write the proportion equation
   9,436 : 20,729 = 20,729 : x
2. Step 2: Convert to fraction form
   9,436/20,729 = 20,729/x
3. Step 3: Cross multiply
   9,436x = 20,729 × 20,729
4. Step 4: Simplify right side
   9,436x = 429,691,441
5. Step 5: Solve for x
   x = 429,691,441/9,436
6. Step 6: Final answer
   x = 45,537.46