Finding the Third Proportional to 133,168.50 and 285,291

Step by Step Solution

1. Step 1: Write the proportion equation
   133,168.50 : 285,291 = 285,291 : x
2. Step 2: Convert to fraction form
   133,168.50/285,291 = 285,291/x
3. Step 3: Cross multiply
   133,168.50x = 285,291 × 285,291
4. Step 4: Simplify right side
   133,168.50x = 81,390,954,681
5. Step 5: Solve for x
   x = 81,390,954,681/133,168.50
6. Step 6: Final answer
   x = 611,187.74