Finding the Third Proportional to 6,556.78 and 14,155.59

Step by Step Solution

1. Step 1: Write the proportion equation
   6,556.78 : 14,155.59 = 14,155.59 : x
2. Step 2: Convert to fraction form
   6,556.78/14,155.59 = 14,155.59/x
3. Step 3: Cross multiply
   6,556.78x = 14,155.59 × 14,155.59
4. Step 4: Simplify right side
   6,556.78x = 200,380,834.42
5. Step 5: Solve for x
   x = 200,380,834.42/6,556.78
6. Step 6: Final answer
   x = 30,560.85