Finding the Third Proportional to 1,820,273 and 3,958,234

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820,273 : 3,958,234 = 3,958,234 : x
2. Step 2: Convert to fraction form
   1,820,273/3,958,234 = 3,958,234/x
3. Step 3: Cross multiply
   1,820,273x = 3,958,234 × 3,958,234
4. Step 4: Simplify right side
   1,820,273x = 15,667,616,398,756
5. Step 5: Solve for x
   x = 15,667,616,398,756/1,820,273
6. Step 6: Final answer
   x = 8,607,289.35