Finding the Third Proportional to 890,358 and 2,099,695

Step by Step Solution

1. Step 1: Write the proportion equation
   890,358 : 2,099,695 = 2,099,695 : x
2. Step 2: Convert to fraction form
   890,358/2,099,695 = 2,099,695/x
3. Step 3: Cross multiply
   890,358x = 2,099,695 × 2,099,695
4. Step 4: Simplify right side
   890,358x = 4,408,719,093,025
5. Step 5: Solve for x
   x = 4,408,719,093,025/890,358
6. Step 6: Final answer
   x = 4,951,625.18