Finding the Third Proportional to 67,530 and 143,383

Step by Step Solution

1. Step 1: Write the proportion equation
   67,530 : 143,383 = 143,383 : x
2. Step 2: Convert to fraction form
   67,530/143,383 = 143,383/x
3. Step 3: Cross multiply
   67,530x = 143,383 × 143,383
4. Step 4: Simplify right side
   67,530x = 20,558,684,689
5. Step 5: Solve for x
   x = 20,558,684,689/67,530
6. Step 6: Final answer
   x = 304,437.80