Finding the Third Proportional to 1,877,400 and 3,987,504

Step by Step Solution

1. Step 1: Write the proportion equation
   1,877,400 : 3,987,504 = 3,987,504 : x
2. Step 2: Convert to fraction form
   1,877,400/3,987,504 = 3,987,504/x
3. Step 3: Cross multiply
   1,877,400x = 3,987,504 × 3,987,504
4. Step 4: Simplify right side
   1,877,400x = 15,900,188,150,016
5. Step 5: Solve for x
   x = 15,900,188,150,016/1,877,400
6. Step 6: Final answer
   x = 8,469,259.69