Finding the Third Proportional to 622,012 and 1,356,567

Step by Step Solution

1. Step 1: Write the proportion equation
   622,012 : 1,356,567 = 1,356,567 : x
2. Step 2: Convert to fraction form
   622,012/1,356,567 = 1,356,567/x
3. Step 3: Cross multiply
   622,012x = 1,356,567 × 1,356,567
4. Step 4: Simplify right side
   622,012x = 1,840,274,025,489
5. Step 5: Solve for x
   x = 1,840,274,025,489/622,012
6. Step 6: Final answer
   x = 2,958,582.83