Finding the Third Proportional to 644,576 and 1,342,082

Step by Step Solution

1. Step 1: Write the proportion equation
   644,576 : 1,342,082 = 1,342,082 : x
2. Step 2: Convert to fraction form
   644,576/1,342,082 = 1,342,082/x
3. Step 3: Cross multiply
   644,576x = 1,342,082 × 1,342,082
4. Step 4: Simplify right side
   644,576x = 1,801,184,094,724
5. Step 5: Solve for x
   x = 1,801,184,094,724/644,576
6. Step 6: Final answer
   x = 2,794,370.40