Finding the Third Proportional to 162,308 and 352,012

Step by Step Solution

1. Step 1: Write the proportion equation
   162,308 : 352,012 = 352,012 : x
2. Step 2: Convert to fraction form
   162,308/352,012 = 352,012/x
3. Step 3: Cross multiply
   162,308x = 352,012 × 352,012
4. Step 4: Simplify right side
   162,308x = 123,912,448,144
5. Step 5: Solve for x
   x = 123,912,448,144/162,308
6. Step 6: Final answer
   x = 763,440.18