Finding the Third Proportional to 393,727.50 and 859,626

Step by Step Solution

1. Step 1: Write the proportion equation
   393,727.50 : 859,626 = 859,626 : x
2. Step 2: Convert to fraction form
   393,727.50/859,626 = 859,626/x
3. Step 3: Cross multiply
   393,727.50x = 859,626 × 859,626
4. Step 4: Simplify right side
   393,727.50x = 738,956,859,876
5. Step 5: Solve for x
   x = 738,956,859,876/393,727.50
6. Step 6: Final answer
   x = 1,876,823.08