Finding the Third Proportional to 89,681 and 144,499

Step by Step Solution

1. Step 1: Write the proportion equation
   89,681 : 144,499 = 144,499 : x
2. Step 2: Convert to fraction form
   89,681/144,499 = 144,499/x
3. Step 3: Cross multiply
   89,681x = 144,499 × 144,499
4. Step 4: Simplify right side
   89,681x = 20,879,961,001
5. Step 5: Solve for x
   x = 20,879,961,001/89,681
6. Step 6: Final answer
   x = 232,824.80