Finding the Third Proportional to 638,014 and 1,391,936

Step by Step Solution

1. Step 1: Write the proportion equation
   638,014 : 1,391,936 = 1,391,936 : x
2. Step 2: Convert to fraction form
   638,014/1,391,936 = 1,391,936/x
3. Step 3: Cross multiply
   638,014x = 1,391,936 × 1,391,936
4. Step 4: Simplify right side
   638,014x = 1,937,485,828,096
5. Step 5: Solve for x
   x = 1,937,485,828,096/638,014
6. Step 6: Final answer
   x = 3,036,745.01