Finding the Third Proportional to 519,288.50 and 1,079,854.50

Step by Step Solution

1. Step 1: Write the proportion equation
   519,288.50 : 1,079,854.50 = 1,079,854.50 : x
2. Step 2: Convert to fraction form
   519,288.50/1,079,854.50 = 1,079,854.50/x
3. Step 3: Cross multiply
   519,288.50x = 1,079,854.50 × 1,079,854.50
4. Step 4: Simplify right side
   519,288.50x = 1,166,085,741,170.25
5. Step 5: Solve for x
   x = 1,166,085,741,170.25/519,288.50
6. Step 6: Final answer
   x = 2,245,545.09