Finding the Third Proportional to 1,397,864 and 3,285,764

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,864 : 3,285,764 = 3,285,764 : x
2. Step 2: Convert to fraction form
   1,397,864/3,285,764 = 3,285,764/x
3. Step 3: Cross multiply
   1,397,864x = 3,285,764 × 3,285,764
4. Step 4: Simplify right side
   1,397,864x = 10,796,245,063,696
5. Step 5: Solve for x
   x = 10,796,245,063,696/1,397,864
6. Step 6: Final answer
   x = 7,723,387.30