Finding the Third Proportional to 517,418 and 1,110,436

Step by Step Solution

1. Step 1: Write the proportion equation
   517,418 : 1,110,436 = 1,110,436 : x
2. Step 2: Convert to fraction form
   517,418/1,110,436 = 1,110,436/x
3. Step 3: Cross multiply
   517,418x = 1,110,436 × 1,110,436
4. Step 4: Simplify right side
   517,418x = 1,233,068,110,096
5. Step 5: Solve for x
   x = 1,233,068,110,096/517,418
6. Step 6: Final answer
   x = 2,383,117.92