Finding the Third Proportional to 150,418 and 225,659.50

Step by Step Solution

1. Step 1: Write the proportion equation
   150,418 : 225,659.50 = 225,659.50 : x
2. Step 2: Convert to fraction form
   150,418/225,659.50 = 225,659.50/x
3. Step 3: Cross multiply
   150,418x = 225,659.50 × 225,659.50
4. Step 4: Simplify right side
   150,418x = 50,922,209,940.25
5. Step 5: Solve for x
   x = 50,922,209,940.25/150,418
6. Step 6: Final answer
   x = 338,538.01