Finding the Third Proportional to 5,467,910 and 12,658,648

Step by Step Solution

1. Step 1: Write the proportion equation
   5,467,910 : 12,658,648 = 12,658,648 : x
2. Step 2: Convert to fraction form
   5,467,910/12,658,648 = 12,658,648/x
3. Step 3: Cross multiply
   5,467,910x = 12,658,648 × 12,658,648
4. Step 4: Simplify right side
   5,467,910x = 160,241,369,187,904
5. Step 5: Solve for x
   x = 160,241,369,187,904/5,467,910
6. Step 6: Final answer
   x = 29,305,780.31