Finding the Third Proportional to 9,078.33 and 13,340.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,078.33 : 13,340.56 = 13,340.56 : x
2. Step 2: Convert to fraction form
   9,078.33/13,340.56 = 13,340.56/x
3. Step 3: Cross multiply
   9,078.33x = 13,340.56 × 13,340.56
4. Step 4: Simplify right side
   9,078.33x = 177,970,477.54
5. Step 5: Solve for x
   x = 177,970,477.54/9,078.33
6. Step 6: Final answer
   x = 19,603.88