Finding the Third Proportional to 779,340 and 1,619,907

Step by Step Solution

1. Step 1: Write the proportion equation
   779,340 : 1,619,907 = 1,619,907 : x
2. Step 2: Convert to fraction form
   779,340/1,619,907 = 1,619,907/x
3. Step 3: Cross multiply
   779,340x = 1,619,907 × 1,619,907
4. Step 4: Simplify right side
   779,340x = 2,624,098,688,649
5. Step 5: Solve for x
   x = 2,624,098,688,649/779,340
6. Step 6: Final answer
   x = 3,367,078.15