Finding the Third Proportional to 200,713 and 275,222

Step by Step Solution

1. Step 1: Write the proportion equation
   200,713 : 275,222 = 275,222 : x
2. Step 2: Convert to fraction form
   200,713/275,222 = 275,222/x
3. Step 3: Cross multiply
   200,713x = 275,222 × 275,222
4. Step 4: Simplify right side
   200,713x = 75,747,149,284
5. Step 5: Solve for x
   x = 75,747,149,284/200,713
6. Step 6: Final answer
   x = 377,390.35