Finding the Third Proportional to 9,168 and 13,772.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,168 : 13,772.25 = 13,772.25 : x
2. Step 2: Convert to fraction form
   9,168/13,772.25 = 13,772.25/x
3. Step 3: Cross multiply
   9,168x = 13,772.25 × 13,772.25
4. Step 4: Simplify right side
   9,168x = 189,674,870.06
5. Step 5: Solve for x
   x = 189,674,870.06/9,168
6. Step 6: Final answer
   x = 20,688.79