Finding the Third Proportional to 72,628 and 151,908

Step by Step Solution

1. Step 1: Write the proportion equation
   72,628 : 151,908 = 151,908 : x
2. Step 2: Convert to fraction form
   72,628/151,908 = 151,908/x
3. Step 3: Cross multiply
   72,628x = 151,908 × 151,908
4. Step 4: Simplify right side
   72,628x = 23,076,040,464
5. Step 5: Solve for x
   x = 23,076,040,464/72,628
6. Step 6: Final answer
   x = 317,729.26