Finding the Third Proportional to 301,162 and 443,415

Step by Step Solution

1. Step 1: Write the proportion equation
   301,162 : 443,415 = 443,415 : x
2. Step 2: Convert to fraction form
   301,162/443,415 = 443,415/x
3. Step 3: Cross multiply
   301,162x = 443,415 × 443,415
4. Step 4: Simplify right side
   301,162x = 196,616,862,225
5. Step 5: Solve for x
   x = 196,616,862,225/301,162
6. Step 6: Final answer
   x = 652,860.79