Finding the Third Proportional to 890,338 and 2,099,630

Step by Step Solution

1. Step 1: Write the proportion equation
   890,338 : 2,099,630 = 2,099,630 : x
2. Step 2: Convert to fraction form
   890,338/2,099,630 = 2,099,630/x
3. Step 3: Cross multiply
   890,338x = 2,099,630 × 2,099,630
4. Step 4: Simplify right side
   890,338x = 4,408,446,136,900
5. Step 5: Solve for x
   x = 4,408,446,136,900/890,338
6. Step 6: Final answer
   x = 4,951,429.84