Finding the Third Proportional to 119,811 and 158,980.50

Step by Step Solution

1. Step 1: Write the proportion equation
   119,811 : 158,980.50 = 158,980.50 : x
2. Step 2: Convert to fraction form
   119,811/158,980.50 = 158,980.50/x
3. Step 3: Cross multiply
   119,811x = 158,980.50 × 158,980.50
4. Step 4: Simplify right side
   119,811x = 25,274,799,380.25
5. Step 5: Solve for x
   x = 25,274,799,380.25/119,811
6. Step 6: Final answer
   x = 210,955.58