Finding the Third Proportional to 143,822 and 225,123

Step by Step Solution

1. Step 1: Write the proportion equation
   143,822 : 225,123 = 225,123 : x
2. Step 2: Convert to fraction form
   143,822/225,123 = 225,123/x
3. Step 3: Cross multiply
   143,822x = 225,123 × 225,123
4. Step 4: Simplify right side
   143,822x = 50,680,365,129
5. Step 5: Solve for x
   x = 50,680,365,129/143,822
6. Step 6: Final answer
   x = 352,382.56