Finding the Third Proportional to 3,364,978 and 7,338,974

Step by Step Solution

1. Step 1: Write the proportion equation
   3,364,978 : 7,338,974 = 7,338,974 : x
2. Step 2: Convert to fraction form
   3,364,978/7,338,974 = 7,338,974/x
3. Step 3: Cross multiply
   3,364,978x = 7,338,974 × 7,338,974
4. Step 4: Simplify right side
   3,364,978x = 53,860,539,372,676
5. Step 5: Solve for x
   x = 53,860,539,372,676/3,364,978
6. Step 6: Final answer
   x = 16,006,208.47