Finding the Third Proportional to 3,567.80 and 7,748.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,567.80 : 7,748.79 = 7,748.79 : x
2. Step 2: Convert to fraction form
   3,567.80/7,748.79 = 7,748.79/x
3. Step 3: Cross multiply
   3,567.80x = 7,748.79 × 7,748.79
4. Step 4: Simplify right side
   3,567.80x = 60,043,731.94
5. Step 5: Solve for x
   x = 60,043,731.94/3,567.80
6. Step 6: Final answer
   x = 16,829.36