Finding the Third Proportional to 518,927 and 1,128,732

Step by Step Solution

1. Step 1: Write the proportion equation
   518,927 : 1,128,732 = 1,128,732 : x
2. Step 2: Convert to fraction form
   518,927/1,128,732 = 1,128,732/x
3. Step 3: Cross multiply
   518,927x = 1,128,732 × 1,128,732
4. Step 4: Simplify right side
   518,927x = 1,274,035,927,824
5. Step 5: Solve for x
   x = 1,274,035,927,824/518,927
6. Step 6: Final answer
   x = 2,455,135.17