Finding the Third Proportional to 89,234 and 143,499

Step by Step Solution

1. Step 1: Write the proportion equation
   89,234 : 143,499 = 143,499 : x
2. Step 2: Convert to fraction form
   89,234/143,499 = 143,499/x
3. Step 3: Cross multiply
   89,234x = 143,499 × 143,499
4. Step 4: Simplify right side
   89,234x = 20,591,963,001
5. Step 5: Solve for x
   x = 20,591,963,001/89,234
6. Step 6: Final answer
   x = 230,763.64