Finding the Third Proportional to 89,246.50 and 187,696.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,246.50 : 187,696.50 = 187,696.50 : x
2. Step 2: Convert to fraction form
   89,246.50/187,696.50 = 187,696.50/x
3. Step 3: Cross multiply
   89,246.50x = 187,696.50 × 187,696.50
4. Step 4: Simplify right side
   89,246.50x = 35,229,976,112.25
5. Step 5: Solve for x
   x = 35,229,976,112.25/89,246.50
6. Step 6: Final answer
   x = 394,749.11