Finding the Third Proportional to 89,368 and 186,087

Step by Step Solution

1. Step 1: Write the proportion equation
   89,368 : 186,087 = 186,087 : x
2. Step 2: Convert to fraction form
   89,368/186,087 = 186,087/x
3. Step 3: Cross multiply
   89,368x = 186,087 × 186,087
4. Step 4: Simplify right side
   89,368x = 34,628,371,569
5. Step 5: Solve for x
   x = 34,628,371,569/89,368
6. Step 6: Final answer
   x = 387,480.66