Finding the Third Proportional to 1,687,782 and 3,981,738

Step by Step Solution

1. Step 1: Write the proportion equation
   1,687,782 : 3,981,738 = 3,981,738 : x
2. Step 2: Convert to fraction form
   1,687,782/3,981,738 = 3,981,738/x
3. Step 3: Cross multiply
   1,687,782x = 3,981,738 × 3,981,738
4. Step 4: Simplify right side
   1,687,782x = 15,854,237,500,644
5. Step 5: Solve for x
   x = 15,854,237,500,644/1,687,782
6. Step 6: Final answer
   x = 9,393,533.94