Finding the Third Proportional to 8,112,744 and 12,143,844

Step by Step Solution

1. Step 1: Write the proportion equation
   8,112,744 : 12,143,844 = 12,143,844 : x
2. Step 2: Convert to fraction form
   8,112,744/12,143,844 = 12,143,844/x
3. Step 3: Cross multiply
   8,112,744x = 12,143,844 × 12,143,844
4. Step 4: Simplify right side
   8,112,744x = 147,472,947,096,336
5. Step 5: Solve for x
   x = 147,472,947,096,336/8,112,744
6. Step 6: Final answer
   x = 18,177,936.72