Finding the Third Proportional to 647,082 and 1,405,944

Step by Step Solution

1. Step 1: Write the proportion equation
   647,082 : 1,405,944 = 1,405,944 : x
2. Step 2: Convert to fraction form
   647,082/1,405,944 = 1,405,944/x
3. Step 3: Cross multiply
   647,082x = 1,405,944 × 1,405,944
4. Step 4: Simplify right side
   647,082x = 1,976,678,531,136
5. Step 5: Solve for x
   x = 1,976,678,531,136/647,082
6. Step 6: Final answer
   x = 3,054,757.40