Finding the Third Proportional to 622,948 and 1,340,664

Step by Step Solution

1. Step 1: Write the proportion equation
   622,948 : 1,340,664 = 1,340,664 : x
2. Step 2: Convert to fraction form
   622,948/1,340,664 = 1,340,664/x
3. Step 3: Cross multiply
   622,948x = 1,340,664 × 1,340,664
4. Step 4: Simplify right side
   622,948x = 1,797,379,960,896
5. Step 5: Solve for x
   x = 1,797,379,960,896/622,948
6. Step 6: Final answer
   x = 2,885,280.89