Finding the Third Proportional to 89,249 and 143,495

Step by Step Solution

1. Step 1: Write the proportion equation
   89,249 : 143,495 = 143,495 : x
2. Step 2: Convert to fraction form
   89,249/143,495 = 143,495/x
3. Step 3: Cross multiply
   89,249x = 143,495 × 143,495
4. Step 4: Simplify right side
   89,249x = 20,590,815,025
5. Step 5: Solve for x
   x = 20,590,815,025/89,249
6. Step 6: Final answer
   x = 230,712.00