Finding the Third Proportional to 72,936 and 109,818

Step by Step Solution

1. Step 1: Write the proportion equation
   72,936 : 109,818 = 109,818 : x
2. Step 2: Convert to fraction form
   72,936/109,818 = 109,818/x
3. Step 3: Cross multiply
   72,936x = 109,818 × 109,818
4. Step 4: Simplify right side
   72,936x = 12,059,993,124
5. Step 5: Solve for x
   x = 12,059,993,124/72,936
6. Step 6: Final answer
   x = 165,350.35