Finding the Third Proportional to 626,143.50 and 1,340,830.50

Step by Step Solution

1. Step 1: Write the proportion equation
   626,143.50 : 1,340,830.50 = 1,340,830.50 : x
2. Step 2: Convert to fraction form
   626,143.50/1,340,830.50 = 1,340,830.50/x
3. Step 3: Cross multiply
   626,143.50x = 1,340,830.50 × 1,340,830.50
4. Step 4: Simplify right side
   626,143.50x = 1,797,826,429,730.25
5. Step 5: Solve for x
   x = 1,797,826,429,730.25/626,143.50
6. Step 6: Final answer
   x = 2,871,269.01