Finding the Third Proportional to 308,592 and 673,308

Step by Step Solution

1. Step 1: Write the proportion equation
   308,592 : 673,308 = 673,308 : x
2. Step 2: Convert to fraction form
   308,592/673,308 = 673,308/x
3. Step 3: Cross multiply
   308,592x = 673,308 × 673,308
4. Step 4: Simplify right side
   308,592x = 453,343,662,864
5. Step 5: Solve for x
   x = 453,343,662,864/308,592
6. Step 6: Final answer
   x = 1,469,071.34