Finding the Third Proportional to 3,665.88 and 4,980.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.88 : 4,980.55 = 4,980.55 : x
2. Step 2: Convert to fraction form
   3,665.88/4,980.55 = 4,980.55/x
3. Step 3: Cross multiply
   3,665.88x = 4,980.55 × 4,980.55
4. Step 4: Simplify right side
   3,665.88x = 24,805,886.08
5. Step 5: Solve for x
   x = 24,805,886.08/3,665.88
6. Step 6: Final answer
   x = 6,766.69