Finding the Third Proportional to 1,171,480 and 2,557,772

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171,480 : 2,557,772 = 2,557,772 : x
2. Step 2: Convert to fraction form
   1,171,480/2,557,772 = 2,557,772/x
3. Step 3: Cross multiply
   1,171,480x = 2,557,772 × 2,557,772
4. Step 4: Simplify right side
   1,171,480x = 6,542,197,603,984
5. Step 5: Solve for x
   x = 6,542,197,603,984/1,171,480
6. Step 6: Final answer
   x = 5,584,557.66