Finding the Third Proportional to 12,464,612 and 18,778,944

Step by Step Solution

1. Step 1: Write the proportion equation
   12,464,612 : 18,778,944 = 18,778,944 : x
2. Step 2: Convert to fraction form
   12,464,612/18,778,944 = 18,778,944/x
3. Step 3: Cross multiply
   12,464,612x = 18,778,944 × 18,778,944
4. Step 4: Simplify right side
   12,464,612x = 352,648,737,755,136
5. Step 5: Solve for x
   x = 352,648,737,755,136/12,464,612
6. Step 6: Final answer
   x = 28,291,994.79