Finding the Third Proportional to 90,015 and 195,900

Step by Step Solution

1. Step 1: Write the proportion equation
   90,015 : 195,900 = 195,900 : x
2. Step 2: Convert to fraction form
   90,015/195,900 = 195,900/x
3. Step 3: Cross multiply
   90,015x = 195,900 × 195,900
4. Step 4: Simplify right side
   90,015x = 38,376,810,000
5. Step 5: Solve for x
   x = 38,376,810,000/90,015
6. Step 6: Final answer
   x = 426,337.94