Finding the Third Proportional to 890,300 and 2,099,556

Step by Step Solution

1. Step 1: Write the proportion equation
   890,300 : 2,099,556 = 2,099,556 : x
2. Step 2: Convert to fraction form
   890,300/2,099,556 = 2,099,556/x
3. Step 3: Cross multiply
   890,300x = 2,099,556 × 2,099,556
4. Step 4: Simplify right side
   890,300x = 4,408,135,397,136
5. Step 5: Solve for x
   x = 4,408,135,397,136/890,300
6. Step 6: Final answer
   x = 4,951,292.15