Finding the Third Proportional to 9,404.21 and 13,772.33

Step by Step Solution

1. Step 1: Write the proportion equation
   9,404.21 : 13,772.33 = 13,772.33 : x
2. Step 2: Convert to fraction form
   9,404.21/13,772.33 = 13,772.33/x
3. Step 3: Cross multiply
   9,404.21x = 13,772.33 × 13,772.33
4. Step 4: Simplify right side
   9,404.21x = 189,677,169.93
5. Step 5: Solve for x
   x = 189,677,169.93/9,404.21
6. Step 6: Final answer
   x = 20,169.40