Finding the Third Proportional to 89,436 and 144,846

Step by Step Solution

1. Step 1: Write the proportion equation
   89,436 : 144,846 = 144,846 : x
2. Step 2: Convert to fraction form
   89,436/144,846 = 144,846/x
3. Step 3: Cross multiply
   89,436x = 144,846 × 144,846
4. Step 4: Simplify right side
   89,436x = 20,980,363,716
5. Step 5: Solve for x
   x = 20,980,363,716/89,436
6. Step 6: Final answer
   x = 234,585.22