Finding the Third Proportional to 1,820,271 and 3,958,230

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820,271 : 3,958,230 = 3,958,230 : x
2. Step 2: Convert to fraction form
   1,820,271/3,958,230 = 3,958,230/x
3. Step 3: Cross multiply
   1,820,271x = 3,958,230 × 3,958,230
4. Step 4: Simplify right side
   1,820,271x = 15,667,584,732,900
5. Step 5: Solve for x
   x = 15,667,584,732,900/1,820,271
6. Step 6: Final answer
   x = 8,607,281.41