Finding the Third Proportional to 156,144 and 335,976

Step by Step Solution

1. Step 1: Write the proportion equation
   156,144 : 335,976 = 335,976 : x
2. Step 2: Convert to fraction form
   156,144/335,976 = 335,976/x
3. Step 3: Cross multiply
   156,144x = 335,976 × 335,976
4. Step 4: Simplify right side
   156,144x = 112,879,872,576
5. Step 5: Solve for x
   x = 112,879,872,576/156,144
6. Step 6: Final answer
   x = 722,921.61