Finding the Third Proportional to 143,112 and 282,606

Step by Step Solution

1. Step 1: Write the proportion equation
   143,112 : 282,606 = 282,606 : x
2. Step 2: Convert to fraction form
   143,112/282,606 = 282,606/x
3. Step 3: Cross multiply
   143,112x = 282,606 × 282,606
4. Step 4: Simplify right side
   143,112x = 79,866,151,236
5. Step 5: Solve for x
   x = 79,866,151,236/143,112
6. Step 6: Final answer
   x = 558,067.47