Finding the Third Proportional to 72,558 and 151,672

Step by Step Solution

1. Step 1: Write the proportion equation
   72,558 : 151,672 = 151,672 : x
2. Step 2: Convert to fraction form
   72,558/151,672 = 151,672/x
3. Step 3: Cross multiply
   72,558x = 151,672 × 151,672
4. Step 4: Simplify right side
   72,558x = 23,004,395,584
5. Step 5: Solve for x
   x = 23,004,395,584/72,558
6. Step 6: Final answer
   x = 317,048.37