Finding the Third Proportional to 145,411.50 and 304,065

Step by Step Solution

1. Step 1: Write the proportion equation
   145,411.50 : 304,065 = 304,065 : x
2. Step 2: Convert to fraction form
   145,411.50/304,065 = 304,065/x
3. Step 3: Cross multiply
   145,411.50x = 304,065 × 304,065
4. Step 4: Simplify right side
   145,411.50x = 92,455,524,225
5. Step 5: Solve for x
   x = 92,455,524,225/145,411.50
6. Step 6: Final answer
   x = 635,819.89