Finding the Third Proportional to 8,463,136 and 12,893,008

Step by Step Solution

1. Step 1: Write the proportion equation
   8,463,136 : 12,893,008 = 12,893,008 : x
2. Step 2: Convert to fraction form
   8,463,136/12,893,008 = 12,893,008/x
3. Step 3: Cross multiply
   8,463,136x = 12,893,008 × 12,893,008
4. Step 4: Simplify right side
   8,463,136x = 166,229,655,288,064
5. Step 5: Solve for x
   x = 166,229,655,288,064/8,463,136
6. Step 6: Final answer
   x = 19,641,614.56