Finding the Third Proportional to 90,231 and 195,830

Step by Step Solution

1. Step 1: Write the proportion equation
   90,231 : 195,830 = 195,830 : x
2. Step 2: Convert to fraction form
   90,231/195,830 = 195,830/x
3. Step 3: Cross multiply
   90,231x = 195,830 × 195,830
4. Step 4: Simplify right side
   90,231x = 38,349,388,900
5. Step 5: Solve for x
   x = 38,349,388,900/90,231
6. Step 6: Final answer
   x = 425,013.45