Finding the Third Proportional to 8,007,831 and 12,409,843.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,007,831 : 12,409,843.50 = 12,409,843.50 : x
2. Step 2: Convert to fraction form
   8,007,831/12,409,843.50 = 12,409,843.50/x
3. Step 3: Cross multiply
   8,007,831x = 12,409,843.50 × 12,409,843.50
4. Step 4: Simplify right side
   8,007,831x = 154,004,215,694,492.25
5. Step 5: Solve for x
   x = 154,004,215,694,492.25/8,007,831
6. Step 6: Final answer
   x = 19,231,701.53