Finding the Third Proportional to 41,587.50 and 89,128.50

Step by Step Solution

1. Step 1: Write the proportion equation
   41,587.50 : 89,128.50 = 89,128.50 : x
2. Step 2: Convert to fraction form
   41,587.50/89,128.50 = 89,128.50/x
3. Step 3: Cross multiply
   41,587.50x = 89,128.50 × 89,128.50
4. Step 4: Simplify right side
   41,587.50x = 7,943,889,512.25
5. Step 5: Solve for x
   x = 7,943,889,512.25/41,587.50
6. Step 6: Final answer
   x = 191,016.28