Finding the Third Proportional to 89,248 and 143,493

Step by Step Solution

1. Step 1: Write the proportion equation
   89,248 : 143,493 = 143,493 : x
2. Step 2: Convert to fraction form
   89,248/143,493 = 143,493/x
3. Step 3: Cross multiply
   89,248x = 143,493 × 143,493
4. Step 4: Simplify right side
   89,248x = 20,590,241,049
5. Step 5: Solve for x
   x = 20,590,241,049/89,248
6. Step 6: Final answer
   x = 230,708.15