Finding the Third Proportional to 233,308 and 345,042

Step by Step Solution

1. Step 1: Write the proportion equation
   233,308 : 345,042 = 345,042 : x
2. Step 2: Convert to fraction form
   233,308/345,042 = 345,042/x
3. Step 3: Cross multiply
   233,308x = 345,042 × 345,042
4. Step 4: Simplify right side
   233,308x = 119,053,981,764
5. Step 5: Solve for x
   x = 119,053,981,764/233,308
6. Step 6: Final answer
   x = 510,286.75