Finding the Third Proportional to 3,571,390 and 5,389,285

Step by Step Solution

1. Step 1: Write the proportion equation
   3,571,390 : 5,389,285 = 5,389,285 : x
2. Step 2: Convert to fraction form
   3,571,390/5,389,285 = 5,389,285/x
3. Step 3: Cross multiply
   3,571,390x = 5,389,285 × 5,389,285
4. Step 4: Simplify right side
   3,571,390x = 29,044,392,811,225
5. Step 5: Solve for x
   x = 29,044,392,811,225/3,571,390
6. Step 6: Final answer
   x = 8,132,517.82