Finding the Third Proportional to 2,709,571 and 3,989,507

Step by Step Solution

1. Step 1: Write the proportion equation
   2,709,571 : 3,989,507 = 3,989,507 : x
2. Step 2: Convert to fraction form
   2,709,571/3,989,507 = 3,989,507/x
3. Step 3: Cross multiply
   2,709,571x = 3,989,507 × 3,989,507
4. Step 4: Simplify right side
   2,709,571x = 15,916,166,103,049
5. Step 5: Solve for x
   x = 15,916,166,103,049/2,709,571
6. Step 6: Final answer
   x = 5,874,053.90