Finding the Third Proportional to 65,476 and 143,696

Step by Step Solution

1. Step 1: Write the proportion equation
   65,476 : 143,696 = 143,696 : x
2. Step 2: Convert to fraction form
   65,476/143,696 = 143,696/x
3. Step 3: Cross multiply
   65,476x = 143,696 × 143,696
4. Step 4: Simplify right side
   65,476x = 20,648,540,416
5. Step 5: Solve for x
   x = 20,648,540,416/65,476
6. Step 6: Final answer
   x = 315,360.44