Finding the Third Proportional to 89,311 and 190,904

Step by Step Solution

1. Step 1: Write the proportion equation
   89,311 : 190,904 = 190,904 : x
2. Step 2: Convert to fraction form
   89,311/190,904 = 190,904/x
3. Step 3: Cross multiply
   89,311x = 190,904 × 190,904
4. Step 4: Simplify right side
   89,311x = 36,444,337,216
5. Step 5: Solve for x
   x = 36,444,337,216/89,311
6. Step 6: Final answer
   x = 408,061.01