Finding the Third Proportional to 72,825.75 and 109,906.88

Step by Step Solution

1. Step 1: Write the proportion equation
   72,825.75 : 109,906.88 = 109,906.88 : x
2. Step 2: Convert to fraction form
   72,825.75/109,906.88 = 109,906.88/x
3. Step 3: Cross multiply
   72,825.75x = 109,906.88 × 109,906.88
4. Step 4: Simplify right side
   72,825.75x = 12,079,521,172.27
5. Step 5: Solve for x
   x = 12,079,521,172.27/72,825.75
6. Step 6: Final answer
   x = 165,868.82