Finding the Third Proportional to 65,656 and 144,440

Step by Step Solution

1. Step 1: Write the proportion equation
   65,656 : 144,440 = 144,440 : x
2. Step 2: Convert to fraction form
   65,656/144,440 = 144,440/x
3. Step 3: Cross multiply
   65,656x = 144,440 × 144,440
4. Step 4: Simplify right side
   65,656x = 20,862,913,600
5. Step 5: Solve for x
   x = 20,862,913,600/65,656
6. Step 6: Final answer
   x = 317,760.96