Finding the Third Proportional to 2,630,721 and 5,653,057

Step by Step Solution

1. Step 1: Write the proportion equation
   2,630,721 : 5,653,057 = 5,653,057 : x
2. Step 2: Convert to fraction form
   2,630,721/5,653,057 = 5,653,057/x
3. Step 3: Cross multiply
   2,630,721x = 5,653,057 × 5,653,057
4. Step 4: Simplify right side
   2,630,721x = 31,957,053,445,249
5. Step 5: Solve for x
   x = 31,957,053,445,249/2,630,721
6. Step 6: Final answer
   x = 12,147,640.68