Finding the Third Proportional to 2,557,170 and 3,970,224

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557,170 : 3,970,224 = 3,970,224 : x
2. Step 2: Convert to fraction form
   2,557,170/3,970,224 = 3,970,224/x
3. Step 3: Cross multiply
   2,557,170x = 3,970,224 × 3,970,224
4. Step 4: Simplify right side
   2,557,170x = 15,762,678,610,176
5. Step 5: Solve for x
   x = 15,762,678,610,176/2,557,170
6. Step 6: Final answer
   x = 6,164,110.56