Finding the Third Proportional to 142,470 and 225,596

Step by Step Solution

1. Step 1: Write the proportion equation
   142,470 : 225,596 = 225,596 : x
2. Step 2: Convert to fraction form
   142,470/225,596 = 225,596/x
3. Step 3: Cross multiply
   142,470x = 225,596 × 225,596
4. Step 4: Simplify right side
   142,470x = 50,893,555,216
5. Step 5: Solve for x
   x = 50,893,555,216/142,470
6. Step 6: Final answer
   x = 357,222.96