Finding the Third Proportional to 119,817 and 158,989.50

Step by Step Solution

1. Step 1: Write the proportion equation
   119,817 : 158,989.50 = 158,989.50 : x
2. Step 2: Convert to fraction form
   119,817/158,989.50 = 158,989.50/x
3. Step 3: Cross multiply
   119,817x = 158,989.50 × 158,989.50
4. Step 4: Simplify right side
   119,817x = 25,277,661,110.25
5. Step 5: Solve for x
   x = 25,277,661,110.25/119,817
6. Step 6: Final answer
   x = 210,968.90