Finding the Third Proportional to 6,008,978 and 12,437,860

Step by Step Solution

1. Step 1: Write the proportion equation
   6,008,978 : 12,437,860 = 12,437,860 : x
2. Step 2: Convert to fraction form
   6,008,978/12,437,860 = 12,437,860/x
3. Step 3: Cross multiply
   6,008,978x = 12,437,860 × 12,437,860
4. Step 4: Simplify right side
   6,008,978x = 154,700,361,379,600
5. Step 5: Solve for x
   x = 154,700,361,379,600/6,008,978
6. Step 6: Final answer
   x = 25,744,870.66