Finding the Third Proportional to 3,859,717 and 5,677,309

Step by Step Solution

1. Step 1: Write the proportion equation
   3,859,717 : 5,677,309 = 5,677,309 : x
2. Step 2: Convert to fraction form
   3,859,717/5,677,309 = 5,677,309/x
3. Step 3: Cross multiply
   3,859,717x = 5,677,309 × 5,677,309
4. Step 4: Simplify right side
   3,859,717x = 32,231,837,481,481
5. Step 5: Solve for x
   x = 32,231,837,481,481/3,859,717
6. Step 6: Final answer
   x = 8,350,829.21