Finding the Third Proportional to 2,240,815 and 3,387,902

Step by Step Solution

1. Step 1: Write the proportion equation
   2,240,815 : 3,387,902 = 3,387,902 : x
2. Step 2: Convert to fraction form
   2,240,815/3,387,902 = 3,387,902/x
3. Step 3: Cross multiply
   2,240,815x = 3,387,902 × 3,387,902
4. Step 4: Simplify right side
   2,240,815x = 11,477,879,961,604
5. Step 5: Solve for x
   x = 11,477,879,961,604/2,240,815
6. Step 6: Final answer
   x = 5,122,189.90