Finding the Third Proportional to 158,980.50 and 340,993.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,980.50 : 340,993.50 = 340,993.50 : x
2. Step 2: Convert to fraction form
   158,980.50/340,993.50 = 340,993.50/x
3. Step 3: Cross multiply
   158,980.50x = 340,993.50 × 340,993.50
4. Step 4: Simplify right side
   158,980.50x = 116,276,567,042.25
5. Step 5: Solve for x
   x = 116,276,567,042.25/158,980.50
6. Step 6: Final answer
   x = 731,388.86