Finding the Third Proportional to 613,664 and 1,269,936

Step by Step Solution

1. Step 1: Write the proportion equation
   613,664 : 1,269,936 = 1,269,936 : x
2. Step 2: Convert to fraction form
   613,664/1,269,936 = 1,269,936/x
3. Step 3: Cross multiply
   613,664x = 1,269,936 × 1,269,936
4. Step 4: Simplify right side
   613,664x = 1,612,737,444,096
5. Step 5: Solve for x
   x = 1,612,737,444,096/613,664
6. Step 6: Final answer
   x = 2,628,046.36