Finding the Third Proportional to 13,380.19 and 20,032.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,380.19 : 20,032.31 = 20,032.31 : x
2. Step 2: Convert to fraction form
   13,380.19/20,032.31 = 20,032.31/x
3. Step 3: Cross multiply
   13,380.19x = 20,032.31 × 20,032.31
4. Step 4: Simplify right side
   13,380.19x = 401,293,544.10
5. Step 5: Solve for x
   x = 401,293,544.10/13,380.19
6. Step 6: Final answer
   x = 29,991.62