Finding the Third Proportional to 519,289 and 1,079,856

Step by Step Solution

1. Step 1: Write the proportion equation
   519,289 : 1,079,856 = 1,079,856 : x
2. Step 2: Convert to fraction form
   519,289/1,079,856 = 1,079,856/x
3. Step 3: Cross multiply
   519,289x = 1,079,856 × 1,079,856
4. Step 4: Simplify right side
   519,289x = 1,166,088,980,736
5. Step 5: Solve for x
   x = 1,166,088,980,736/519,289
6. Step 6: Final answer
   x = 2,245,549.17