Finding the Third Proportional to 519,291 and 1,079,860

Step by Step Solution

1. Step 1: Write the proportion equation
   519,291 : 1,079,860 = 1,079,860 : x
2. Step 2: Convert to fraction form
   519,291/1,079,860 = 1,079,860/x
3. Step 3: Cross multiply
   519,291x = 1,079,860 × 1,079,860
4. Step 4: Simplify right side
   519,291x = 1,166,097,619,600
5. Step 5: Solve for x
   x = 1,166,097,619,600/519,291
6. Step 6: Final answer
   x = 2,245,557.15