Finding the Third Proportional to 12,846,546 and 19,915,227

Step by Step Solution

1. Step 1: Write the proportion equation
   12,846,546 : 19,915,227 = 19,915,227 : x
2. Step 2: Convert to fraction form
   12,846,546/19,915,227 = 19,915,227/x
3. Step 3: Cross multiply
   12,846,546x = 19,915,227 × 19,915,227
4. Step 4: Simplify right side
   12,846,546x = 396,616,266,461,529
5. Step 5: Solve for x
   x = 396,616,266,461,529/12,846,546
6. Step 6: Final answer
   x = 30,873,377.67