Finding the Third Proportional to 65,560 and 143,756

Step by Step Solution

1. Step 1: Write the proportion equation
   65,560 : 143,756 = 143,756 : x
2. Step 2: Convert to fraction form
   65,560/143,756 = 143,756/x
3. Step 3: Cross multiply
   65,560x = 143,756 × 143,756
4. Step 4: Simplify right side
   65,560x = 20,665,787,536
5. Step 5: Solve for x
   x = 20,665,787,536/65,560
6. Step 6: Final answer
   x = 315,219.46