Finding the Third Proportional to 2,240,849 and 3,387,945

Step by Step Solution

1. Step 1: Write the proportion equation
   2,240,849 : 3,387,945 = 3,387,945 : x
2. Step 2: Convert to fraction form
   2,240,849/3,387,945 = 3,387,945/x
3. Step 3: Cross multiply
   2,240,849x = 3,387,945 × 3,387,945
4. Step 4: Simplify right side
   2,240,849x = 11,478,171,323,025
5. Step 5: Solve for x
   x = 11,478,171,323,025/2,240,849
6. Step 6: Final answer
   x = 5,122,242.21