Finding the Third Proportional to 72,704 and 109,696

Step by Step Solution

1. Step 1: Write the proportion equation
   72,704 : 109,696 = 109,696 : x
2. Step 2: Convert to fraction form
   72,704/109,696 = 109,696/x
3. Step 3: Cross multiply
   72,704x = 109,696 × 109,696
4. Step 4: Simplify right side
   72,704x = 12,033,212,416
5. Step 5: Solve for x
   x = 12,033,212,416/72,704
6. Step 6: Final answer
   x = 165,509.63