Finding the Third Proportional to 91,697 and 200,890

Step by Step Solution

1. Step 1: Write the proportion equation
   91,697 : 200,890 = 200,890 : x
2. Step 2: Convert to fraction form
   91,697/200,890 = 200,890/x
3. Step 3: Cross multiply
   91,697x = 200,890 × 200,890
4. Step 4: Simplify right side
   91,697x = 40,356,792,100
5. Step 5: Solve for x
   x = 40,356,792,100/91,697
6. Step 6: Final answer
   x = 440,110.28