Finding the Third Proportional to 323,152 and 661,976

Step by Step Solution

1. Step 1: Write the proportion equation
   323,152 : 661,976 = 661,976 : x
2. Step 2: Convert to fraction form
   323,152/661,976 = 661,976/x
3. Step 3: Cross multiply
   323,152x = 661,976 × 661,976
4. Step 4: Simplify right side
   323,152x = 438,212,224,576
5. Step 5: Solve for x
   x = 438,212,224,576/323,152
6. Step 6: Final answer
   x = 1,356,056.05