Finding the Third Proportional to 518,929 and 1,128,736

Step by Step Solution

1. Step 1: Write the proportion equation
   518,929 : 1,128,736 = 1,128,736 : x
2. Step 2: Convert to fraction form
   518,929/1,128,736 = 1,128,736/x
3. Step 3: Cross multiply
   518,929x = 1,128,736 × 1,128,736
4. Step 4: Simplify right side
   518,929x = 1,274,044,957,696
5. Step 5: Solve for x
   x = 1,274,044,957,696/518,929
6. Step 6: Final answer
   x = 2,455,143.11