Finding the Third Proportional to 2,736.88 and 4,245.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.88 : 4,245.88 = 4,245.88 : x
2. Step 2: Convert to fraction form
   2,736.88/4,245.88 = 4,245.88/x
3. Step 3: Cross multiply
   2,736.88x = 4,245.88 × 4,245.88
4. Step 4: Simplify right side
   2,736.88x = 18,027,454.52
5. Step 5: Solve for x
   x = 18,027,454.52/2,736.88
6. Step 6: Final answer
   x = 6,586.88