Finding the Third Proportional to 1,690,779 and 3,440,606

Step by Step Solution

1. Step 1: Write the proportion equation
   1,690,779 : 3,440,606 = 3,440,606 : x
2. Step 2: Convert to fraction form
   1,690,779/3,440,606 = 3,440,606/x
3. Step 3: Cross multiply
   1,690,779x = 3,440,606 × 3,440,606
4. Step 4: Simplify right side
   1,690,779x = 11,837,769,647,236
5. Step 5: Solve for x
   x = 11,837,769,647,236/1,690,779
6. Step 6: Final answer
   x = 7,001,370.17