Finding the Third Proportional to 2,736.49 and 4,245.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.49 : 4,245.86 = 4,245.86 : x
2. Step 2: Convert to fraction form
   2,736.49/4,245.86 = 4,245.86/x
3. Step 3: Cross multiply
   2,736.49x = 4,245.86 × 4,245.86
4. Step 4: Simplify right side
   2,736.49x = 18,027,288.66
5. Step 5: Solve for x
   x = 18,027,288.66/2,736.49
6. Step 6: Final answer
   x = 6,587.74