Finding the Third Proportional to 2,486.80 and 5,276.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,486.80 : 5,276.35 = 5,276.35 : x
2. Step 2: Convert to fraction form
   2,486.80/5,276.35 = 5,276.35/x
3. Step 3: Cross multiply
   2,486.80x = 5,276.35 × 5,276.35
4. Step 4: Simplify right side
   2,486.80x = 27,839,880.66
5. Step 5: Solve for x
   x = 27,839,880.66/2,486.80
6. Step 6: Final answer
   x = 11,195.04