Finding the Third Proportional to 89,701.25 and 188,696.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,701.25 : 188,696.50 = 188,696.50 : x
2. Step 2: Convert to fraction form
   89,701.25/188,696.50 = 188,696.50/x
3. Step 3: Cross multiply
   89,701.25x = 188,696.50 × 188,696.50
4. Step 4: Simplify right side
   89,701.25x = 35,606,369,112.25
5. Step 5: Solve for x
   x = 35,606,369,112.25/89,701.25
6. Step 6: Final answer
   x = 396,943.96