Finding the Third Proportional to 90,711 and 143,025

Step by Step Solution

1. Step 1: Write the proportion equation
   90,711 : 143,025 = 143,025 : x
2. Step 2: Convert to fraction form
   90,711/143,025 = 143,025/x
3. Step 3: Cross multiply
   90,711x = 143,025 × 143,025
4. Step 4: Simplify right side
   90,711x = 20,456,150,625
5. Step 5: Solve for x
   x = 20,456,150,625/90,711
6. Step 6: Final answer
   x = 225,509.04