Finding the Third Proportional to 863,635.50 and 1,826,919

Step by Step Solution

1. Step 1: Write the proportion equation
   863,635.50 : 1,826,919 = 1,826,919 : x
2. Step 2: Convert to fraction form
   863,635.50/1,826,919 = 1,826,919/x
3. Step 3: Cross multiply
   863,635.50x = 1,826,919 × 1,826,919
4. Step 4: Simplify right side
   863,635.50x = 3,337,633,032,561
5. Step 5: Solve for x
   x = 3,337,633,032,561/863,635.50
6. Step 6: Final answer
   x = 3,864,631.59