Finding the Third Proportional to 1,189,866 and 2,615,928

Step by Step Solution

1. Step 1: Write the proportion equation
   1,189,866 : 2,615,928 = 2,615,928 : x
2. Step 2: Convert to fraction form
   1,189,866/2,615,928 = 2,615,928/x
3. Step 3: Cross multiply
   1,189,866x = 2,615,928 × 2,615,928
4. Step 4: Simplify right side
   1,189,866x = 6,843,079,301,184
5. Step 5: Solve for x
   x = 6,843,079,301,184/1,189,866
6. Step 6: Final answer
   x = 5,751,134.41