Finding the Third Proportional to 548,736 and 1,173,540

Step by Step Solution

1. Step 1: Write the proportion equation
   548,736 : 1,173,540 = 1,173,540 : x
2. Step 2: Convert to fraction form
   548,736/1,173,540 = 1,173,540/x
3. Step 3: Cross multiply
   548,736x = 1,173,540 × 1,173,540
4. Step 4: Simplify right side
   548,736x = 1,377,196,131,600
5. Step 5: Solve for x
   x = 1,377,196,131,600/548,736
6. Step 6: Final answer
   x = 2,509,760.85