Finding the Third Proportional to 89,314 and 190,906

Step by Step Solution

1. Step 1: Write the proportion equation
   89,314 : 190,906 = 190,906 : x
2. Step 2: Convert to fraction form
   89,314/190,906 = 190,906/x
3. Step 3: Cross multiply
   89,314x = 190,906 × 190,906
4. Step 4: Simplify right side
   89,314x = 36,445,100,836
5. Step 5: Solve for x
   x = 36,445,100,836/89,314
6. Step 6: Final answer
   x = 408,055.86