Finding the Third Proportional to 65,262 and 143,130

Step by Step Solution

1. Step 1: Write the proportion equation
   65,262 : 143,130 = 143,130 : x
2. Step 2: Convert to fraction form
   65,262/143,130 = 143,130/x
3. Step 3: Cross multiply
   65,262x = 143,130 × 143,130
4. Step 4: Simplify right side
   65,262x = 20,486,196,900
5. Step 5: Solve for x
   x = 20,486,196,900/65,262
6. Step 6: Final answer
   x = 313,906.97