Finding the Third Proportional to 143,191.50 and 282,771

Step by Step Solution

1. Step 1: Write the proportion equation
   143,191.50 : 282,771 = 282,771 : x
2. Step 2: Convert to fraction form
   143,191.50/282,771 = 282,771/x
3. Step 3: Cross multiply
   143,191.50x = 282,771 × 282,771
4. Step 4: Simplify right side
   143,191.50x = 79,959,438,441
5. Step 5: Solve for x
   x = 79,959,438,441/143,191.50
6. Step 6: Final answer
   x = 558,409.11