Finding the Third Proportional to 890,330 and 2,099,608

Step by Step Solution

1. Step 1: Write the proportion equation
   890,330 : 2,099,608 = 2,099,608 : x
2. Step 2: Convert to fraction form
   890,330/2,099,608 = 2,099,608/x
3. Step 3: Cross multiply
   890,330x = 2,099,608 × 2,099,608
4. Step 4: Simplify right side
   890,330x = 4,408,353,753,664
5. Step 5: Solve for x
   x = 4,408,353,753,664/890,330
6. Step 6: Final answer
   x = 4,951,370.56