Finding the Third Proportional to 84,816 and 144,436

Step by Step Solution

1. Step 1: Write the proportion equation
   84,816 : 144,436 = 144,436 : x
2. Step 2: Convert to fraction form
   84,816/144,436 = 144,436/x
3. Step 3: Cross multiply
   84,816x = 144,436 × 144,436
4. Step 4: Simplify right side
   84,816x = 20,861,758,096
5. Step 5: Solve for x
   x = 20,861,758,096/84,816
6. Step 6: Final answer
   x = 245,964.89