Finding the Third Proportional to 3,316.78 and 4,753.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,316.78 : 4,753.69 = 4,753.69 : x
2. Step 2: Convert to fraction form
   3,316.78/4,753.69 = 4,753.69/x
3. Step 3: Cross multiply
   3,316.78x = 4,753.69 × 4,753.69
4. Step 4: Simplify right side
   3,316.78x = 22,597,544.85
5. Step 5: Solve for x
   x = 22,597,544.85/3,316.78
6. Step 6: Final answer
   x = 6,813.09