Finding the Third Proportional to 90,071 and 195,997

Step by Step Solution

1. Step 1: Write the proportion equation
   90,071 : 195,997 = 195,997 : x
2. Step 2: Convert to fraction form
   90,071/195,997 = 195,997/x
3. Step 3: Cross multiply
   90,071x = 195,997 × 195,997
4. Step 4: Simplify right side
   90,071x = 38,414,824,009
5. Step 5: Solve for x
   x = 38,414,824,009/90,071
6. Step 6: Final answer
   x = 426,494.92