Finding the Third Proportional to 443,444 and 676,242

Step by Step Solution

1. Step 1: Write the proportion equation
   443,444 : 676,242 = 676,242 : x
2. Step 2: Convert to fraction form
   443,444/676,242 = 676,242/x
3. Step 3: Cross multiply
   443,444x = 676,242 × 676,242
4. Step 4: Simplify right side
   443,444x = 457,303,242,564
5. Step 5: Solve for x
   x = 457,303,242,564/443,444
6. Step 6: Final answer
   x = 1,031,253.65