Finding the Third Proportional to 3,978.89 and 6,054.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978.89 : 6,054.83 = 6,054.83 : x
2. Step 2: Convert to fraction form
   3,978.89/6,054.83 = 6,054.83/x
3. Step 3: Cross multiply
   3,978.89x = 6,054.83 × 6,054.83
4. Step 4: Simplify right side
   3,978.89x = 36,660,955.45
5. Step 5: Solve for x
   x = 36,660,955.45/3,978.89
6. Step 6: Final answer
   x = 9,213.87