Finding the Third Proportional to 65,574 and 143,757

Step by Step Solution

1. Step 1: Write the proportion equation
   65,574 : 143,757 = 143,757 : x
2. Step 2: Convert to fraction form
   65,574/143,757 = 143,757/x
3. Step 3: Cross multiply
   65,574x = 143,757 × 143,757
4. Step 4: Simplify right side
   65,574x = 20,666,075,049
5. Step 5: Solve for x
   x = 20,666,075,049/65,574
6. Step 6: Final answer
   x = 315,156.54