Finding the Third Proportional to 3,645,792 and 7,977,744

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645,792 : 7,977,744 = 7,977,744 : x
2. Step 2: Convert to fraction form
   3,645,792/7,977,744 = 7,977,744/x
3. Step 3: Cross multiply
   3,645,792x = 7,977,744 × 7,977,744
4. Step 4: Simplify right side
   3,645,792x = 63,644,399,329,536
5. Step 5: Solve for x
   x = 63,644,399,329,536/3,645,792
6. Step 6: Final answer
   x = 17,456,947.44