Finding the Third Proportional to 158,615 and 343,365.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,615 : 343,365.50 = 343,365.50 : x
2. Step 2: Convert to fraction form
   158,615/343,365.50 = 343,365.50/x
3. Step 3: Cross multiply
   158,615x = 343,365.50 × 343,365.50
4. Step 4: Simplify right side
   158,615x = 117,899,866,590.25
5. Step 5: Solve for x
   x = 117,899,866,590.25/158,615
6. Step 6: Final answer
   x = 743,308.43