Finding the Third Proportional to 1,557,873 and 3,239,580

Step by Step Solution

1. Step 1: Write the proportion equation
   1,557,873 : 3,239,580 = 3,239,580 : x
2. Step 2: Convert to fraction form
   1,557,873/3,239,580 = 3,239,580/x
3. Step 3: Cross multiply
   1,557,873x = 3,239,580 × 3,239,580
4. Step 4: Simplify right side
   1,557,873x = 10,494,878,576,400
5. Step 5: Solve for x
   x = 10,494,878,576,400/1,557,873
6. Step 6: Final answer
   x = 6,736,671.46