Finding the Third Proportional to 104,900 and 158,221

Step by Step Solution

1. Step 1: Write the proportion equation
   104,900 : 158,221 = 158,221 : x
2. Step 2: Convert to fraction form
   104,900/158,221 = 158,221/x
3. Step 3: Cross multiply
   104,900x = 158,221 × 158,221
4. Step 4: Simplify right side
   104,900x = 25,033,884,841
5. Step 5: Solve for x
   x = 25,033,884,841/104,900
6. Step 6: Final answer
   x = 238,645.23