Finding the Third Proportional to 2,611,989 and 3,957,487

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611,989 : 3,957,487 = 3,957,487 : x
2. Step 2: Convert to fraction form
   2,611,989/3,957,487 = 3,957,487/x
3. Step 3: Cross multiply
   2,611,989x = 3,957,487 × 3,957,487
4. Step 4: Simplify right side
   2,611,989x = 15,661,703,355,169
5. Step 5: Solve for x
   x = 15,661,703,355,169/2,611,989
6. Step 6: Final answer
   x = 5,996,083.20