Finding the Third Proportional to 1,393,764 and 1,962,790

Step by Step Solution

1. Step 1: Write the proportion equation
   1,393,764 : 1,962,790 = 1,962,790 : x
2. Step 2: Convert to fraction form
   1,393,764/1,962,790 = 1,962,790/x
3. Step 3: Cross multiply
   1,393,764x = 1,962,790 × 1,962,790
4. Step 4: Simplify right side
   1,393,764x = 3,852,544,584,100
5. Step 5: Solve for x
   x = 3,852,544,584,100/1,393,764
6. Step 6: Final answer
   x = 2,764,129.78