Finding the Third Proportional to 89,172 and 143,383.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,172 : 143,383.50 = 143,383.50 : x
2. Step 2: Convert to fraction form
   89,172/143,383.50 = 143,383.50/x
3. Step 3: Cross multiply
   89,172x = 143,383.50 × 143,383.50
4. Step 4: Simplify right side
   89,172x = 20,558,828,072.25
5. Step 5: Solve for x
   x = 20,558,828,072.25/89,172
6. Step 6: Final answer
   x = 230,552.51