Finding the Third Proportional to 89,695 and 190,321

Step by Step Solution

1. Step 1: Write the proportion equation
   89,695 : 190,321 = 190,321 : x
2. Step 2: Convert to fraction form
   89,695/190,321 = 190,321/x
3. Step 3: Cross multiply
   89,695x = 190,321 × 190,321
4. Step 4: Simplify right side
   89,695x = 36,222,083,041
5. Step 5: Solve for x
   x = 36,222,083,041/89,695
6. Step 6: Final answer
   x = 403,836.15