Finding the Third Proportional to 229,302.56 and 343,404.56

Step by Step Solution

1. Step 1: Write the proportion equation
   229,302.56 : 343,404.56 = 343,404.56 : x
2. Step 2: Convert to fraction form
   229,302.56/343,404.56 = 343,404.56/x
3. Step 3: Cross multiply
   229,302.56x = 343,404.56 × 343,404.56
4. Step 4: Simplify right side
   229,302.56x = 117,926,693,545.82
5. Step 5: Solve for x
   x = 117,926,693,545.82/229,302.56
6. Step 6: Final answer
   x = 514,284.24