Finding the Third Proportional to 12,755,997 and 19,633,311

Step by Step Solution

1. Step 1: Write the proportion equation
   12,755,997 : 19,633,311 = 19,633,311 : x
2. Step 2: Convert to fraction form
   12,755,997/19,633,311 = 19,633,311/x
3. Step 3: Cross multiply
   12,755,997x = 19,633,311 × 19,633,311
4. Step 4: Simplify right side
   12,755,997x = 385,466,900,822,721
5. Step 5: Solve for x
   x = 385,466,900,822,721/12,755,997
6. Step 6: Final answer
   x = 30,218,484.75