Finding the Third Proportional to 518,805 and 1,128,510

Step by Step Solution

1. Step 1: Write the proportion equation
   518,805 : 1,128,510 = 1,128,510 : x
2. Step 2: Convert to fraction form
   518,805/1,128,510 = 1,128,510/x
3. Step 3: Cross multiply
   518,805x = 1,128,510 × 1,128,510
4. Step 4: Simplify right side
   518,805x = 1,273,534,820,100
5. Step 5: Solve for x
   x = 1,273,534,820,100/518,805
6. Step 6: Final answer
   x = 2,454,746.62