Finding the Third Proportional to 84,820 and 144,443

Step by Step Solution

1. Step 1: Write the proportion equation
   84,820 : 144,443 = 144,443 : x
2. Step 2: Convert to fraction form
   84,820/144,443 = 144,443/x
3. Step 3: Cross multiply
   84,820x = 144,443 × 144,443
4. Step 4: Simplify right side
   84,820x = 20,863,780,249
5. Step 5: Solve for x
   x = 20,863,780,249/84,820
6. Step 6: Final answer
   x = 245,977.13