Finding the Third Proportional to 200,550 and 300,868.25

Step by Step Solution

1. Step 1: Write the proportion equation
   200,550 : 300,868.25 = 300,868.25 : x
2. Step 2: Convert to fraction form
   200,550/300,868.25 = 300,868.25/x
3. Step 3: Cross multiply
   200,550x = 300,868.25 × 300,868.25
4. Step 4: Simplify right side
   200,550x = 90,521,703,858.06
5. Step 5: Solve for x
   x = 90,521,703,858.06/200,550
6. Step 6: Final answer
   x = 451,367.26