Finding the Third Proportional to 69,256 and 150,172

Step by Step Solution

1. Step 1: Write the proportion equation
   69,256 : 150,172 = 150,172 : x
2. Step 2: Convert to fraction form
   69,256/150,172 = 150,172/x
3. Step 3: Cross multiply
   69,256x = 150,172 × 150,172
4. Step 4: Simplify right side
   69,256x = 22,551,629,584
5. Step 5: Solve for x
   x = 22,551,629,584/69,256
6. Step 6: Final answer
   x = 325,627.09