Finding the Third Proportional to 34,680 and 73,956

Step by Step Solution

1. Step 1: Write the proportion equation
   34,680 : 73,956 = 73,956 : x
2. Step 2: Convert to fraction form
   34,680/73,956 = 73,956/x
3. Step 3: Cross multiply
   34,680x = 73,956 × 73,956
4. Step 4: Simplify right side
   34,680x = 5,469,489,936
5. Step 5: Solve for x
   x = 5,469,489,936/34,680
6. Step 6: Final answer
   x = 157,713.09