Finding the Third Proportional to 11,660.20 and 17,947.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,660.20 : 17,947.83 = 17,947.83 : x
2. Step 2: Convert to fraction form
   11,660.20/17,947.83 = 17,947.83/x
3. Step 3: Cross multiply
   11,660.20x = 17,947.83 × 17,947.83
4. Step 4: Simplify right side
   11,660.20x = 322,124,534.40
5. Step 5: Solve for x
   x = 322,124,534.40/11,660.20
6. Step 6: Final answer
   x = 27,625.98