Finding the Third Proportional to 201,330 and 302,499

Step by Step Solution

1. Step 1: Write the proportion equation
   201,330 : 302,499 = 302,499 : x
2. Step 2: Convert to fraction form
   201,330/302,499 = 302,499/x
3. Step 3: Cross multiply
   201,330x = 302,499 × 302,499
4. Step 4: Simplify right side
   201,330x = 91,505,645,001
5. Step 5: Solve for x
   x = 91,505,645,001/201,330
6. Step 6: Final answer
   x = 454,505.76