Finding the Third Proportional to 890,343 and 2,099,658

Step by Step Solution

1. Step 1: Write the proportion equation
   890,343 : 2,099,658 = 2,099,658 : x
2. Step 2: Convert to fraction form
   890,343/2,099,658 = 2,099,658/x
3. Step 3: Cross multiply
   890,343x = 2,099,658 × 2,099,658
4. Step 4: Simplify right side
   890,343x = 4,408,563,716,964
5. Step 5: Solve for x
   x = 4,408,563,716,964/890,343
6. Step 6: Final answer
   x = 4,951,534.09