Finding the Third Proportional to 661,722 and 1,401,444

Step by Step Solution

1. Step 1: Write the proportion equation
   661,722 : 1,401,444 = 1,401,444 : x
2. Step 2: Convert to fraction form
   661,722/1,401,444 = 1,401,444/x
3. Step 3: Cross multiply
   661,722x = 1,401,444 × 1,401,444
4. Step 4: Simplify right side
   661,722x = 1,964,045,285,136
5. Step 5: Solve for x
   x = 1,964,045,285,136/661,722
6. Step 6: Final answer
   x = 2,968,082.19