Finding the Third Proportional to 3,860,433 and 7,623,978

Step by Step Solution

1. Step 1: Write the proportion equation
   3,860,433 : 7,623,978 = 7,623,978 : x
2. Step 2: Convert to fraction form
   3,860,433/7,623,978 = 7,623,978/x
3. Step 3: Cross multiply
   3,860,433x = 7,623,978 × 7,623,978
4. Step 4: Simplify right side
   3,860,433x = 58,125,040,544,484
5. Step 5: Solve for x
   x = 58,125,040,544,484/3,860,433
6. Step 6: Final answer
   x = 15,056,611.67