Finding the Third Proportional to 91,608 and 200,928

Step by Step Solution

1. Step 1: Write the proportion equation
   91,608 : 200,928 = 200,928 : x
2. Step 2: Convert to fraction form
   91,608/200,928 = 200,928/x
3. Step 3: Cross multiply
   91,608x = 200,928 × 200,928
4. Step 4: Simplify right side
   91,608x = 40,372,061,184
5. Step 5: Solve for x
   x = 40,372,061,184/91,608
6. Step 6: Final answer
   x = 440,704.54