Finding the Third Proportional to 89,858 and 143,043

Step by Step Solution

1. Step 1: Write the proportion equation
   89,858 : 143,043 = 143,043 : x
2. Step 2: Convert to fraction form
   89,858/143,043 = 143,043/x
3. Step 3: Cross multiply
   89,858x = 143,043 × 143,043
4. Step 4: Simplify right side
   89,858x = 20,461,299,849
5. Step 5: Solve for x
   x = 20,461,299,849/89,858
6. Step 6: Final answer
   x = 227,707.05