Finding the Third Proportional to 65,461 and 143,666

Step by Step Solution

1. Step 1: Write the proportion equation
   65,461 : 143,666 = 143,666 : x
2. Step 2: Convert to fraction form
   65,461/143,666 = 143,666/x
3. Step 3: Cross multiply
   65,461x = 143,666 × 143,666
4. Step 4: Simplify right side
   65,461x = 20,639,919,556
5. Step 5: Solve for x
   x = 20,639,919,556/65,461
6. Step 6: Final answer
   x = 315,301.01