Finding the Third Proportional to 518,924 and 1,128,726

Step by Step Solution

1. Step 1: Write the proportion equation
   518,924 : 1,128,726 = 1,128,726 : x
2. Step 2: Convert to fraction form
   518,924/1,128,726 = 1,128,726/x
3. Step 3: Cross multiply
   518,924x = 1,128,726 × 1,128,726
4. Step 4: Simplify right side
   518,924x = 1,274,022,383,076
5. Step 5: Solve for x
   x = 1,274,022,383,076/518,924
6. Step 6: Final answer
   x = 2,455,123.26