Finding the Third Proportional to 72,018 and 109,022

Step by Step Solution

1. Step 1: Write the proportion equation
   72,018 : 109,022 = 109,022 : x
2. Step 2: Convert to fraction form
   72,018/109,022 = 109,022/x
3. Step 3: Cross multiply
   72,018x = 109,022 × 109,022
4. Step 4: Simplify right side
   72,018x = 11,885,796,484
5. Step 5: Solve for x
   x = 11,885,796,484/72,018
6. Step 6: Final answer
   x = 165,039.25