Finding the Third Proportional to 91,481 and 200,242

Step by Step Solution

1. Step 1: Write the proportion equation
   91,481 : 200,242 = 200,242 : x
2. Step 2: Convert to fraction form
   91,481/200,242 = 200,242/x
3. Step 3: Cross multiply
   91,481x = 200,242 × 200,242
4. Step 4: Simplify right side
   91,481x = 40,096,858,564
5. Step 5: Solve for x
   x = 40,096,858,564/91,481
6. Step 6: Final answer
   x = 438,308.05