Finding the Third Proportional to 3,363,666 and 7,896,777

Step by Step Solution

1. Step 1: Write the proportion equation
   3,363,666 : 7,896,777 = 7,896,777 : x
2. Step 2: Convert to fraction form
   3,363,666/7,896,777 = 7,896,777/x
3. Step 3: Cross multiply
   3,363,666x = 7,896,777 × 7,896,777
4. Step 4: Simplify right side
   3,363,666x = 62,359,086,987,729
5. Step 5: Solve for x
   x = 62,359,086,987,729/3,363,666
6. Step 6: Final answer
   x = 18,539,024.68