Finding the Third Proportional to 2,622,389 and 3,957,680

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622,389 : 3,957,680 = 3,957,680 : x
2. Step 2: Convert to fraction form
   2,622,389/3,957,680 = 3,957,680/x
3. Step 3: Cross multiply
   2,622,389x = 3,957,680 × 3,957,680
4. Step 4: Simplify right side
   2,622,389x = 15,663,230,982,400
5. Step 5: Solve for x
   x = 15,663,230,982,400/2,622,389
6. Step 6: Final answer
   x = 5,972,886.17