Finding the Third Proportional to 65,481 and 142,957

Step by Step Solution

1. Step 1: Write the proportion equation
   65,481 : 142,957 = 142,957 : x
2. Step 2: Convert to fraction form
   65,481/142,957 = 142,957/x
3. Step 3: Cross multiply
   65,481x = 142,957 × 142,957
4. Step 4: Simplify right side
   65,481x = 20,436,703,849
5. Step 5: Solve for x
   x = 20,436,703,849/65,481
6. Step 6: Final answer
   x = 312,101.28