Finding the Third Proportional to 13,505.31 and 20,444.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,505.31 : 20,444.38 = 20,444.38 : x
2. Step 2: Convert to fraction form
   13,505.31/20,444.38 = 20,444.38/x
3. Step 3: Cross multiply
   13,505.31x = 20,444.38 × 20,444.38
4. Step 4: Simplify right side
   13,505.31x = 417,972,469.14
5. Step 5: Solve for x
   x = 417,972,469.14/13,505.31
6. Step 6: Final answer
   x = 30,948.74