Finding the Third Proportional to 72,906 and 151,628

Step by Step Solution

1. Step 1: Write the proportion equation
   72,906 : 151,628 = 151,628 : x
2. Step 2: Convert to fraction form
   72,906/151,628 = 151,628/x
3. Step 3: Cross multiply
   72,906x = 151,628 × 151,628
4. Step 4: Simplify right side
   72,906x = 22,991,050,384
5. Step 5: Solve for x
   x = 22,991,050,384/72,906
6. Step 6: Final answer
   x = 315,351.97