Finding the Third Proportional to 13,753.75 and 20,579.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,753.75 : 20,579.38 = 20,579.38 : x
2. Step 2: Convert to fraction form
   13,753.75/20,579.38 = 20,579.38/x
3. Step 3: Cross multiply
   13,753.75x = 20,579.38 × 20,579.38
4. Step 4: Simplify right side
   13,753.75x = 423,510,675.39
5. Step 5: Solve for x
   x = 423,510,675.39/13,753.75
6. Step 6: Final answer
   x = 30,792.38