Finding the Third Proportional to 100,954.50 and 158,390

Step by Step Solution

1. Step 1: Write the proportion equation
   100,954.50 : 158,390 = 158,390 : x
2. Step 2: Convert to fraction form
   100,954.50/158,390 = 158,390/x
3. Step 3: Cross multiply
   100,954.50x = 158,390 × 158,390
4. Step 4: Simplify right side
   100,954.50x = 25,087,392,100
5. Step 5: Solve for x
   x = 25,087,392,100/100,954.50
6. Step 6: Final answer
   x = 248,501.97