Finding the Third Proportional to 2,477,912 and 3,489,499

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477,912 : 3,489,499 = 3,489,499 : x
2. Step 2: Convert to fraction form
   2,477,912/3,489,499 = 3,489,499/x
3. Step 3: Cross multiply
   2,477,912x = 3,489,499 × 3,489,499
4. Step 4: Simplify right side
   2,477,912x = 12,176,603,271,001
5. Step 5: Solve for x
   x = 12,176,603,271,001/2,477,912
6. Step 6: Final answer
   x = 4,914,057.99