Finding the Third Proportional to 580,822 and 1,245,698

Step by Step Solution

1. Step 1: Write the proportion equation
   580,822 : 1,245,698 = 1,245,698 : x
2. Step 2: Convert to fraction form
   580,822/1,245,698 = 1,245,698/x
3. Step 3: Cross multiply
   580,822x = 1,245,698 × 1,245,698
4. Step 4: Simplify right side
   580,822x = 1,551,763,507,204
5. Step 5: Solve for x
   x = 1,551,763,507,204/580,822
6. Step 6: Final answer
   x = 2,671,667.92