Finding the Third Proportional to 819,109 and 1,282,141.50

Step by Step Solution

1. Step 1: Write the proportion equation
   819,109 : 1,282,141.50 = 1,282,141.50 : x
2. Step 2: Convert to fraction form
   819,109/1,282,141.50 = 1,282,141.50/x
3. Step 3: Cross multiply
   819,109x = 1,282,141.50 × 1,282,141.50
4. Step 4: Simplify right side
   819,109x = 1,643,886,826,022.25
5. Step 5: Solve for x
   x = 1,643,886,826,022.25/819,109
6. Step 6: Final answer
   x = 2,006,920.72