Finding the Third Proportional to 90,826 and 144,485

Step by Step Solution

1. Step 1: Write the proportion equation
   90,826 : 144,485 = 144,485 : x
2. Step 2: Convert to fraction form
   90,826/144,485 = 144,485/x
3. Step 3: Cross multiply
   90,826x = 144,485 × 144,485
4. Step 4: Simplify right side
   90,826x = 20,875,915,225
5. Step 5: Solve for x
   x = 20,875,915,225/90,826
6. Step 6: Final answer
   x = 229,845.15