Finding the Third Proportional to 205,966 and 451,300

Step by Step Solution

1. Step 1: Write the proportion equation
   205,966 : 451,300 = 451,300 : x
2. Step 2: Convert to fraction form
   205,966/451,300 = 451,300/x
3. Step 3: Cross multiply
   205,966x = 451,300 × 451,300
4. Step 4: Simplify right side
   205,966x = 203,671,690,000
5. Step 5: Solve for x
   x = 203,671,690,000/205,966
6. Step 6: Final answer
   x = 988,860.73