Finding the Third Proportional to 143,016 and 282,432

Step by Step Solution

1. Step 1: Write the proportion equation
   143,016 : 282,432 = 282,432 : x
2. Step 2: Convert to fraction form
   143,016/282,432 = 282,432/x
3. Step 3: Cross multiply
   143,016x = 282,432 × 282,432
4. Step 4: Simplify right side
   143,016x = 79,767,834,624
5. Step 5: Solve for x
   x = 79,767,834,624/143,016
6. Step 6: Final answer
   x = 557,754.62