Finding the Third Proportional to 2,628,144 and 5,648,904

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628,144 : 5,648,904 = 5,648,904 : x
2. Step 2: Convert to fraction form
   2,628,144/5,648,904 = 5,648,904/x
3. Step 3: Cross multiply
   2,628,144x = 5,648,904 × 5,648,904
4. Step 4: Simplify right side
   2,628,144x = 31,910,116,401,216
5. Step 5: Solve for x
   x = 31,910,116,401,216/2,628,144
6. Step 6: Final answer
   x = 12,141,692.54