Finding the Third Proportional to 65,560 and 143,755

Step by Step Solution

1. Step 1: Write the proportion equation
   65,560 : 143,755 = 143,755 : x
2. Step 2: Convert to fraction form
   65,560/143,755 = 143,755/x
3. Step 3: Cross multiply
   65,560x = 143,755 × 143,755
4. Step 4: Simplify right side
   65,560x = 20,665,500,025
5. Step 5: Solve for x
   x = 20,665,500,025/65,560
6. Step 6: Final answer
   x = 315,215.07