Finding the Third Proportional to 89,368.31 and 186,087.38

Step by Step Solution

1. Step 1: Write the proportion equation
   89,368.31 : 186,087.38 = 186,087.38 : x
2. Step 2: Convert to fraction form
   89,368.31/186,087.38 = 186,087.38/x
3. Step 3: Cross multiply
   89,368.31x = 186,087.38 × 186,087.38
4. Step 4: Simplify right side
   89,368.31x = 34,628,511,134.39
5. Step 5: Solve for x
   x = 34,628,511,134.39/89,368.31
6. Step 6: Final answer
   x = 387,480.87