Finding the Third Proportional to 2,628,146 and 5,648,908

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628,146 : 5,648,908 = 5,648,908 : x
2. Step 2: Convert to fraction form
   2,628,146/5,648,908 = 5,648,908/x
3. Step 3: Cross multiply
   2,628,146x = 5,648,908 × 5,648,908
4. Step 4: Simplify right side
   2,628,146x = 31,910,161,592,464
5. Step 5: Solve for x
   x = 31,910,161,592,464/2,628,146
6. Step 6: Final answer
   x = 12,141,700.50