Finding the Third Proportional to 1,290,612 and 2,783,282

Step by Step Solution

1. Step 1: Write the proportion equation
   1,290,612 : 2,783,282 = 2,783,282 : x
2. Step 2: Convert to fraction form
   1,290,612/2,783,282 = 2,783,282/x
3. Step 3: Cross multiply
   1,290,612x = 2,783,282 × 2,783,282
4. Step 4: Simplify right side
   1,290,612x = 7,746,658,691,524
5. Step 5: Solve for x
   x = 7,746,658,691,524/1,290,612
6. Step 6: Final answer
   x = 6,002,314.17