Finding the Third Proportional to 13,503.16 and 20,441.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,503.16 : 20,441.32 = 20,441.32 : x
2. Step 2: Convert to fraction form
   13,503.16/20,441.32 = 20,441.32/x
3. Step 3: Cross multiply
   13,503.16x = 20,441.32 × 20,441.32
4. Step 4: Simplify right side
   13,503.16x = 417,847,576.12
5. Step 5: Solve for x
   x = 417,847,576.12/13,503.16
6. Step 6: Final answer
   x = 30,944.42