Finding the Third Proportional to 13,557.38 and 20,264.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,557.38 : 20,264.06 = 20,264.06 : x
2. Step 2: Convert to fraction form
   13,557.38/20,264.06 = 20,264.06/x
3. Step 3: Cross multiply
   13,557.38x = 20,264.06 × 20,264.06
4. Step 4: Simplify right side
   13,557.38x = 410,632,229.00
5. Step 5: Solve for x
   x = 410,632,229.00/13,557.38
6. Step 6: Final answer
   x = 30,288.48