Finding the Third Proportional to 336,168 and 723,308

Step by Step Solution

1. Step 1: Write the proportion equation
   336,168 : 723,308 = 723,308 : x
2. Step 2: Convert to fraction form
   336,168/723,308 = 723,308/x
3. Step 3: Cross multiply
   336,168x = 723,308 × 723,308
4. Step 4: Simplify right side
   336,168x = 523,174,462,864
5. Step 5: Solve for x
   x = 523,174,462,864/336,168
6. Step 6: Final answer
   x = 1,556,288.71