Finding the Third Proportional to 200,079 and 305,200.25

Step by Step Solution

1. Step 1: Write the proportion equation
   200,079 : 305,200.25 = 305,200.25 : x
2. Step 2: Convert to fraction form
   200,079/305,200.25 = 305,200.25/x
3. Step 3: Cross multiply
   200,079x = 305,200.25 × 305,200.25
4. Step 4: Simplify right side
   200,079x = 93,147,192,600.06
5. Step 5: Solve for x
   x = 93,147,192,600.06/200,079
6. Step 6: Final answer
   x = 465,552.07