Finding the Third Proportional to 65,745 and 143,930

Step by Step Solution

1. Step 1: Write the proportion equation
   65,745 : 143,930 = 143,930 : x
2. Step 2: Convert to fraction form
   65,745/143,930 = 143,930/x
3. Step 3: Cross multiply
   65,745x = 143,930 × 143,930
4. Step 4: Simplify right side
   65,745x = 20,715,844,900
5. Step 5: Solve for x
   x = 20,715,844,900/65,745
6. Step 6: Final answer
   x = 315,093.85