Finding the Third Proportional to 1,830,780 and 3,987,030

Step by Step Solution

1. Step 1: Write the proportion equation
   1,830,780 : 3,987,030 = 3,987,030 : x
2. Step 2: Convert to fraction form
   1,830,780/3,987,030 = 3,987,030/x
3. Step 3: Cross multiply
   1,830,780x = 3,987,030 × 3,987,030
4. Step 4: Simplify right side
   1,830,780x = 15,896,408,220,900
5. Step 5: Solve for x
   x = 15,896,408,220,900/1,830,780
6. Step 6: Final answer
   x = 8,682,860.98