Finding the Third Proportional to 229,030 and 342,492

Step by Step Solution

1. Step 1: Write the proportion equation
   229,030 : 342,492 = 342,492 : x
2. Step 2: Convert to fraction form
   229,030/342,492 = 342,492/x
3. Step 3: Cross multiply
   229,030x = 342,492 × 342,492
4. Step 4: Simplify right side
   229,030x = 117,300,770,064
5. Step 5: Solve for x
   x = 117,300,770,064/229,030
6. Step 6: Final answer
   x = 512,163.34