Finding the Third Proportional to 580,820 and 1,245,694

Step by Step Solution

1. Step 1: Write the proportion equation
   580,820 : 1,245,694 = 1,245,694 : x
2. Step 2: Convert to fraction form
   580,820/1,245,694 = 1,245,694/x
3. Step 3: Cross multiply
   580,820x = 1,245,694 × 1,245,694
4. Step 4: Simplify right side
   580,820x = 1,551,753,541,636
5. Step 5: Solve for x
   x = 1,551,753,541,636/580,820
6. Step 6: Final answer
   x = 2,671,659.97