Finding the Third Proportional to 65,513 and 143,017

Step by Step Solution

1. Step 1: Write the proportion equation
   65,513 : 143,017 = 143,017 : x
2. Step 2: Convert to fraction form
   65,513/143,017 = 143,017/x
3. Step 3: Cross multiply
   65,513x = 143,017 × 143,017
4. Step 4: Simplify right side
   65,513x = 20,453,862,289
5. Step 5: Solve for x
   x = 20,453,862,289/65,513
6. Step 6: Final answer
   x = 312,210.74