Finding the Third Proportional to 890,358 and 2,099,670

Step by Step Solution

1. Step 1: Write the proportion equation
   890,358 : 2,099,670 = 2,099,670 : x
2. Step 2: Convert to fraction form
   890,358/2,099,670 = 2,099,670/x
3. Step 3: Cross multiply
   890,358x = 2,099,670 × 2,099,670
4. Step 4: Simplify right side
   890,358x = 4,408,614,108,900
5. Step 5: Solve for x
   x = 4,408,614,108,900/890,358
6. Step 6: Final answer
   x = 4,951,507.27