Finding the Third Proportional to 3,397.78 and 4,984.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,397.78 : 4,984.59 = 4,984.59 : x
2. Step 2: Convert to fraction form
   3,397.78/4,984.59 = 4,984.59/x
3. Step 3: Cross multiply
   3,397.78x = 4,984.59 × 4,984.59
4. Step 4: Simplify right side
   3,397.78x = 24,846,174.85
5. Step 5: Solve for x
   x = 24,846,174.85/3,397.78
6. Step 6: Final answer
   x = 7,312.47