Finding the Third Proportional to 1,109,648 and 2,387,831

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109,648 : 2,387,831 = 2,387,831 : x
2. Step 2: Convert to fraction form
   1,109,648/2,387,831 = 2,387,831/x
3. Step 3: Cross multiply
   1,109,648x = 2,387,831 × 2,387,831
4. Step 4: Simplify right side
   1,109,648x = 5,701,736,884,561
5. Step 5: Solve for x
   x = 5,701,736,884,561/1,109,648
6. Step 6: Final answer
   x = 5,138,329.35