Finding the Third Proportional to 1,401,021 and 3,061,611

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401,021 : 3,061,611 = 3,061,611 : x
2. Step 2: Convert to fraction form
   1,401,021/3,061,611 = 3,061,611/x
3. Step 3: Cross multiply
   1,401,021x = 3,061,611 × 3,061,611
4. Step 4: Simplify right side
   1,401,021x = 9,373,461,915,321
5. Step 5: Solve for x
   x = 9,373,461,915,321/1,401,021
6. Step 6: Final answer
   x = 6,690,450.69