Finding the Third Proportional to 133,067 and 288,300

Step by Step Solution

1. Step 1: Write the proportion equation
   133,067 : 288,300 = 288,300 : x
2. Step 2: Convert to fraction form
   133,067/288,300 = 288,300/x
3. Step 3: Cross multiply
   133,067x = 288,300 × 288,300
4. Step 4: Simplify right side
   133,067x = 83,116,890,000
5. Step 5: Solve for x
   x = 83,116,890,000/133,067
6. Step 6: Final answer
   x = 624,624.36