Finding the Third Proportional to 2,631,644 and 5,470,136

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631,644 : 5,470,136 = 5,470,136 : x
2. Step 2: Convert to fraction form
   2,631,644/5,470,136 = 5,470,136/x
3. Step 3: Cross multiply
   2,631,644x = 5,470,136 × 5,470,136
4. Step 4: Simplify right side
   2,631,644x = 29,922,387,858,496
5. Step 5: Solve for x
   x = 29,922,387,858,496/2,631,644
6. Step 6: Final answer
   x = 11,370,226.31