Finding the Third Proportional to 1,228,634 and 2,555,360

Step by Step Solution

1. Step 1: Write the proportion equation
   1,228,634 : 2,555,360 = 2,555,360 : x
2. Step 2: Convert to fraction form
   1,228,634/2,555,360 = 2,555,360/x
3. Step 3: Cross multiply
   1,228,634x = 2,555,360 × 2,555,360
4. Step 4: Simplify right side
   1,228,634x = 6,529,864,729,600
5. Step 5: Solve for x
   x = 6,529,864,729,600/1,228,634
6. Step 6: Final answer
   x = 5,314,735.49