Finding the Third Proportional to 13,505.06 and 20,443.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,505.06 : 20,443.88 = 20,443.88 : x
2. Step 2: Convert to fraction form
   13,505.06/20,443.88 = 20,443.88/x
3. Step 3: Cross multiply
   13,505.06x = 20,443.88 × 20,443.88
4. Step 4: Simplify right side
   13,505.06x = 417,952,025.02
5. Step 5: Solve for x
   x = 417,952,025.02/13,505.06
6. Step 6: Final answer
   x = 30,947.80