Finding the Third Proportional to 619,234.50 and 1,280,947

Step by Step Solution

1. Step 1: Write the proportion equation
   619,234.50 : 1,280,947 = 1,280,947 : x
2. Step 2: Convert to fraction form
   619,234.50/1,280,947 = 1,280,947/x
3. Step 3: Cross multiply
   619,234.50x = 1,280,947 × 1,280,947
4. Step 4: Simplify right side
   619,234.50x = 1,640,825,216,809
5. Step 5: Solve for x
   x = 1,640,825,216,809/619,234.50
6. Step 6: Final answer
   x = 2,649,763.89