Finding the Third Proportional to 65,716 and 144,552

Step by Step Solution

1. Step 1: Write the proportion equation
   65,716 : 144,552 = 144,552 : x
2. Step 2: Convert to fraction form
   65,716/144,552 = 144,552/x
3. Step 3: Cross multiply
   65,716x = 144,552 × 144,552
4. Step 4: Simplify right side
   65,716x = 20,895,280,704
5. Step 5: Solve for x
   x = 20,895,280,704/65,716
6. Step 6: Final answer
   x = 317,963.37