Finding the Third Proportional to 1,820,277 and 3,958,242

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820,277 : 3,958,242 = 3,958,242 : x
2. Step 2: Convert to fraction form
   1,820,277/3,958,242 = 3,958,242/x
3. Step 3: Cross multiply
   1,820,277x = 3,958,242 × 3,958,242
4. Step 4: Simplify right side
   1,820,277x = 15,667,679,730,564
5. Step 5: Solve for x
   x = 15,667,679,730,564/1,820,277
6. Step 6: Final answer
   x = 8,607,305.22