Finding the Third Proportional to 2,873,123 and 4,284,769

Step by Step Solution

1. Step 1: Write the proportion equation
   2,873,123 : 4,284,769 = 4,284,769 : x
2. Step 2: Convert to fraction form
   2,873,123/4,284,769 = 4,284,769/x
3. Step 3: Cross multiply
   2,873,123x = 4,284,769 × 4,284,769
4. Step 4: Simplify right side
   2,873,123x = 18,359,245,383,361
5. Step 5: Solve for x
   x = 18,359,245,383,361/2,873,123
6. Step 6: Final answer
   x = 6,389,996.32