Finding the Third Proportional to 151,024 and 322,768

Step by Step Solution

1. Step 1: Write the proportion equation
   151,024 : 322,768 = 322,768 : x
2. Step 2: Convert to fraction form
   151,024/322,768 = 322,768/x
3. Step 3: Cross multiply
   151,024x = 322,768 × 322,768
4. Step 4: Simplify right side
   151,024x = 104,179,181,824
5. Step 5: Solve for x
   x = 104,179,181,824/151,024
6. Step 6: Final answer
   x = 689,818.72