Finding the Third Proportional to 8,467,067 and 12,719,663

Step by Step Solution

1. Step 1: Write the proportion equation
   8,467,067 : 12,719,663 = 12,719,663 : x
2. Step 2: Convert to fraction form
   8,467,067/12,719,663 = 12,719,663/x
3. Step 3: Cross multiply
   8,467,067x = 12,719,663 × 12,719,663
4. Step 4: Simplify right side
   8,467,067x = 161,789,826,833,569
5. Step 5: Solve for x
   x = 161,789,826,833,569/8,467,067
6. Step 6: Final answer
   x = 19,108,131.17