Finding the Third Proportional to 8,007,834 and 12,409,848

Step by Step Solution

1. Step 1: Write the proportion equation
   8,007,834 : 12,409,848 = 12,409,848 : x
2. Step 2: Convert to fraction form
   8,007,834/12,409,848 = 12,409,848/x
3. Step 3: Cross multiply
   8,007,834x = 12,409,848 × 12,409,848
4. Step 4: Simplify right side
   8,007,834x = 154,004,327,383,104
5. Step 5: Solve for x
   x = 154,004,327,383,104/8,007,834
6. Step 6: Final answer
   x = 19,231,708.27