Finding the Third Proportional to 90,250 and 194,809

Step by Step Solution

1. Step 1: Write the proportion equation
   90,250 : 194,809 = 194,809 : x
2. Step 2: Convert to fraction form
   90,250/194,809 = 194,809/x
3. Step 3: Cross multiply
   90,250x = 194,809 × 194,809
4. Step 4: Simplify right side
   90,250x = 37,950,546,481
5. Step 5: Solve for x
   x = 37,950,546,481/90,250
6. Step 6: Final answer
   x = 420,504.67