Finding the Third Proportional to 1,297,590 and 2,847,780

Step by Step Solution

1. Step 1: Write the proportion equation
   1,297,590 : 2,847,780 = 2,847,780 : x
2. Step 2: Convert to fraction form
   1,297,590/2,847,780 = 2,847,780/x
3. Step 3: Cross multiply
   1,297,590x = 2,847,780 × 2,847,780
4. Step 4: Simplify right side
   1,297,590x = 8,109,850,928,400
5. Step 5: Solve for x
   x = 8,109,850,928,400/1,297,590
6. Step 6: Final answer
   x = 6,249,933.28