Finding the Third Proportional to 1,199,686 and 2,534,228

Step by Step Solution

1. Step 1: Write the proportion equation
   1,199,686 : 2,534,228 = 2,534,228 : x
2. Step 2: Convert to fraction form
   1,199,686/2,534,228 = 2,534,228/x
3. Step 3: Cross multiply
   1,199,686x = 2,534,228 × 2,534,228
4. Step 4: Simplify right side
   1,199,686x = 6,422,311,555,984
5. Step 5: Solve for x
   x = 6,422,311,555,984/1,199,686
6. Step 6: Final answer
   x = 5,353,327.08