Finding the Third Proportional to 104,899.50 and 158,220

Step by Step Solution

1. Step 1: Write the proportion equation
   104,899.50 : 158,220 = 158,220 : x
2. Step 2: Convert to fraction form
   104,899.50/158,220 = 158,220/x
3. Step 3: Cross multiply
   104,899.50x = 158,220 × 158,220
4. Step 4: Simplify right side
   104,899.50x = 25,033,568,400
5. Step 5: Solve for x
   x = 25,033,568,400/104,899.50
6. Step 6: Final answer
   x = 238,643.35