Finding the Third Proportional to 89,240 and 143,508

Step by Step Solution

1. Step 1: Write the proportion equation
   89,240 : 143,508 = 143,508 : x
2. Step 2: Convert to fraction form
   89,240/143,508 = 143,508/x
3. Step 3: Cross multiply
   89,240x = 143,508 × 143,508
4. Step 4: Simplify right side
   89,240x = 20,594,546,064
5. Step 5: Solve for x
   x = 20,594,546,064/89,240
6. Step 6: Final answer
   x = 230,777.07