Finding the Third Proportional to 1,394,993 and 1,974,458

Step by Step Solution

1. Step 1: Write the proportion equation
   1,394,993 : 1,974,458 = 1,974,458 : x
2. Step 2: Convert to fraction form
   1,394,993/1,974,458 = 1,974,458/x
3. Step 3: Cross multiply
   1,394,993x = 1,974,458 × 1,974,458
4. Step 4: Simplify right side
   1,394,993x = 3,898,484,393,764
5. Step 5: Solve for x
   x = 3,898,484,393,764/1,394,993
6. Step 6: Final answer
   x = 2,794,626.49