Finding the Third Proportional to 9,757.69 and 20,729.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,757.69 : 20,729.81 = 20,729.81 : x
2. Step 2: Convert to fraction form
   9,757.69/20,729.81 = 20,729.81/x
3. Step 3: Cross multiply
   9,757.69x = 20,729.81 × 20,729.81
4. Step 4: Simplify right side
   9,757.69x = 429,725,126.29
5. Step 5: Solve for x
   x = 429,725,126.29/9,757.69
6. Step 6: Final answer
   x = 44,039.65