Finding the Third Proportional to 4,855.50 and 7,380

Step by Step Solution

1. Step 1: Write the proportion equation
   4,855.50 : 7,380 = 7,380 : x
2. Step 2: Convert to fraction form
   4,855.50/7,380 = 7,380/x
3. Step 3: Cross multiply
   4,855.50x = 7,380 × 7,380
4. Step 4: Simplify right side
   4,855.50x = 54,464,400
5. Step 5: Solve for x
   x = 54,464,400/4,855.50
6. Step 6: Final answer
   x = 11,217.05