Finding the Third Proportional to 90,702 and 143,008

Step by Step Solution

1. Step 1: Write the proportion equation
   90,702 : 143,008 = 143,008 : x
2. Step 2: Convert to fraction form
   90,702/143,008 = 143,008/x
3. Step 3: Cross multiply
   90,702x = 143,008 × 143,008
4. Step 4: Simplify right side
   90,702x = 20,451,288,064
5. Step 5: Solve for x
   x = 20,451,288,064/90,702
6. Step 6: Final answer
   x = 225,477.81