Finding the Third Proportional to 518,736 and 1,128,360

Step by Step Solution

1. Step 1: Write the proportion equation
   518,736 : 1,128,360 = 1,128,360 : x
2. Step 2: Convert to fraction form
   518,736/1,128,360 = 1,128,360/x
3. Step 3: Cross multiply
   518,736x = 1,128,360 × 1,128,360
4. Step 4: Simplify right side
   518,736x = 1,273,196,289,600
5. Step 5: Solve for x
   x = 1,273,196,289,600/518,736
6. Step 6: Final answer
   x = 2,454,420.53