Finding the Third Proportional to 72,021 and 109,026

Step by Step Solution

1. Step 1: Write the proportion equation
   72,021 : 109,026 = 109,026 : x
2. Step 2: Convert to fraction form
   72,021/109,026 = 109,026/x
3. Step 3: Cross multiply
   72,021x = 109,026 × 109,026
4. Step 4: Simplify right side
   72,021x = 11,886,668,676
5. Step 5: Solve for x
   x = 11,886,668,676/72,021
6. Step 6: Final answer
   x = 165,044.48