Finding the Third Proportional to 519,290 and 1,079,858

Step by Step Solution

1. Step 1: Write the proportion equation
   519,290 : 1,079,858 = 1,079,858 : x
2. Step 2: Convert to fraction form
   519,290/1,079,858 = 1,079,858/x
3. Step 3: Cross multiply
   519,290x = 1,079,858 × 1,079,858
4. Step 4: Simplify right side
   519,290x = 1,166,093,300,164
5. Step 5: Solve for x
   x = 1,166,093,300,164/519,290
6. Step 6: Final answer
   x = 2,245,553.16