Finding the Third Proportional to 229,945 and 343,501.50

Step by Step Solution

1. Step 1: Write the proportion equation
   229,945 : 343,501.50 = 343,501.50 : x
2. Step 2: Convert to fraction form
   229,945/343,501.50 = 343,501.50/x
3. Step 3: Cross multiply
   229,945x = 343,501.50 × 343,501.50
4. Step 4: Simplify right side
   229,945x = 117,993,280,502.25
5. Step 5: Solve for x
   x = 117,993,280,502.25/229,945
6. Step 6: Final answer
   x = 513,136.97