Finding the Third Proportional to 72,328 and 108,106

Step by Step Solution

1. Step 1: Write the proportion equation
   72,328 : 108,106 = 108,106 : x
2. Step 2: Convert to fraction form
   72,328/108,106 = 108,106/x
3. Step 3: Cross multiply
   72,328x = 108,106 × 108,106
4. Step 4: Simplify right side
   72,328x = 11,686,907,236
5. Step 5: Solve for x
   x = 11,686,907,236/72,328
6. Step 6: Final answer
   x = 161,582.06