Finding the Third Proportional to 200,888 and 303,923.50

Step by Step Solution

1. Step 1: Write the proportion equation
   200,888 : 303,923.50 = 303,923.50 : x
2. Step 2: Convert to fraction form
   200,888/303,923.50 = 303,923.50/x
3. Step 3: Cross multiply
   200,888x = 303,923.50 × 303,923.50
4. Step 4: Simplify right side
   200,888x = 92,369,493,852.25
5. Step 5: Solve for x
   x = 92,369,493,852.25/200,888
6. Step 6: Final answer
   x = 459,805.93