Finding the Third Proportional to 1,820,275 and 3,958,238

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820,275 : 3,958,238 = 3,958,238 : x
2. Step 2: Convert to fraction form
   1,820,275/3,958,238 = 3,958,238/x
3. Step 3: Cross multiply
   1,820,275x = 3,958,238 × 3,958,238
4. Step 4: Simplify right side
   1,820,275x = 15,667,648,064,644
5. Step 5: Solve for x
   x = 15,667,648,064,644/1,820,275
6. Step 6: Final answer
   x = 8,607,297.28