Finding the Third Proportional to 143,818 and 225,116

Step by Step Solution

1. Step 1: Write the proportion equation
   143,818 : 225,116 = 225,116 : x
2. Step 2: Convert to fraction form
   143,818/225,116 = 225,116/x
3. Step 3: Cross multiply
   143,818x = 225,116 × 225,116
4. Step 4: Simplify right side
   143,818x = 50,677,213,456
5. Step 5: Solve for x
   x = 50,677,213,456/143,818
6. Step 6: Final answer
   x = 352,370.45