Finding the Third Proportional to 9,072.56 and 13,608.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,072.56 : 13,608.84 = 13,608.84 : x
2. Step 2: Convert to fraction form
   9,072.56/13,608.84 = 13,608.84/x
3. Step 3: Cross multiply
   9,072.56x = 13,608.84 × 13,608.84
4. Step 4: Simplify right side
   9,072.56x = 185,200,628.21
5. Step 5: Solve for x
   x = 185,200,628.21/9,072.56
6. Step 6: Final answer
   x = 20,413.27