Finding the Third Proportional to 193,866 and 418,864.50

Step by Step Solution

1. Step 1: Write the proportion equation
   193,866 : 418,864.50 = 418,864.50 : x
2. Step 2: Convert to fraction form
   193,866/418,864.50 = 418,864.50/x
3. Step 3: Cross multiply
   193,866x = 418,864.50 × 418,864.50
4. Step 4: Simplify right side
   193,866x = 175,447,469,360.25
5. Step 5: Solve for x
   x = 175,447,469,360.25/193,866
6. Step 6: Final answer
   x = 904,993.50