Finding the Third Proportional to 1,815,330 and 3,910,742

Step by Step Solution

1. Step 1: Write the proportion equation
   1,815,330 : 3,910,742 = 3,910,742 : x
2. Step 2: Convert to fraction form
   1,815,330/3,910,742 = 3,910,742/x
3. Step 3: Cross multiply
   1,815,330x = 3,910,742 × 3,910,742
4. Step 4: Simplify right side
   1,815,330x = 15,293,902,990,564
5. Step 5: Solve for x
   x = 15,293,902,990,564/1,815,330
6. Step 6: Final answer
   x = 8,424,861.04