Finding the Third Proportional to 2,187.67 and 4,800.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187.67 : 4,800.55 = 4,800.55 : x
2. Step 2: Convert to fraction form
   2,187.67/4,800.55 = 4,800.55/x
3. Step 3: Cross multiply
   2,187.67x = 4,800.55 × 4,800.55
4. Step 4: Simplify right side
   2,187.67x = 23,045,287.80
5. Step 5: Solve for x
   x = 23,045,287.80/2,187.67
6. Step 6: Final answer
   x = 10,534.18