Finding the Third Proportional to 145,470 and 225,772.50

Step by Step Solution

1. Step 1: Write the proportion equation
   145,470 : 225,772.50 = 225,772.50 : x
2. Step 2: Convert to fraction form
   145,470/225,772.50 = 225,772.50/x
3. Step 3: Cross multiply
   145,470x = 225,772.50 × 225,772.50
4. Step 4: Simplify right side
   145,470x = 50,973,221,756.25
5. Step 5: Solve for x
   x = 50,973,221,756.25/145,470
6. Step 6: Final answer
   x = 350,403.67