Finding the Third Proportional to 1,189,838 and 2,615,872

Step by Step Solution

1. Step 1: Write the proportion equation
   1,189,838 : 2,615,872 = 2,615,872 : x
2. Step 2: Convert to fraction form
   1,189,838/2,615,872 = 2,615,872/x
3. Step 3: Cross multiply
   1,189,838x = 2,615,872 × 2,615,872
4. Step 4: Simplify right side
   1,189,838x = 6,842,786,320,384
5. Step 5: Solve for x
   x = 6,842,786,320,384/1,189,838
6. Step 6: Final answer
   x = 5,751,023.52