Finding the Third Proportional to 65,321 and 143,092

Step by Step Solution

1. Step 1: Write the proportion equation
   65,321 : 143,092 = 143,092 : x
2. Step 2: Convert to fraction form
   65,321/143,092 = 143,092/x
3. Step 3: Cross multiply
   65,321x = 143,092 × 143,092
4. Step 4: Simplify right side
   65,321x = 20,475,320,464
5. Step 5: Solve for x
   x = 20,475,320,464/65,321
6. Step 6: Final answer
   x = 313,456.94