Finding the Third Proportional to 65,360 and 143,166

Step by Step Solution

1. Step 1: Write the proportion equation
   65,360 : 143,166 = 143,166 : x
2. Step 2: Convert to fraction form
   65,360/143,166 = 143,166/x
3. Step 3: Cross multiply
   65,360x = 143,166 × 143,166
4. Step 4: Simplify right side
   65,360x = 20,496,503,556
5. Step 5: Solve for x
   x = 20,496,503,556/65,360
6. Step 6: Final answer
   x = 313,594.00