Finding the Third Proportional to 108,790 and 158,450

Step by Step Solution

1. Step 1: Write the proportion equation
   108,790 : 158,450 = 158,450 : x
2. Step 2: Convert to fraction form
   108,790/158,450 = 158,450/x
3. Step 3: Cross multiply
   108,790x = 158,450 × 158,450
4. Step 4: Simplify right side
   108,790x = 25,106,402,500
5. Step 5: Solve for x
   x = 25,106,402,500/108,790
6. Step 6: Final answer
   x = 230,778.59