Finding the Third Proportional to 143,351.50 and 200,501

Step by Step Solution

1. Step 1: Write the proportion equation
   143,351.50 : 200,501 = 200,501 : x
2. Step 2: Convert to fraction form
   143,351.50/200,501 = 200,501/x
3. Step 3: Cross multiply
   143,351.50x = 200,501 × 200,501
4. Step 4: Simplify right side
   143,351.50x = 40,200,651,001
5. Step 5: Solve for x
   x = 40,200,651,001/143,351.50
6. Step 6: Final answer
   x = 280,434.11