Finding the Third Proportional to 34,500 and 73,920

Step by Step Solution

1. Step 1: Write the proportion equation
   34,500 : 73,920 = 73,920 : x
2. Step 2: Convert to fraction form
   34,500/73,920 = 73,920/x
3. Step 3: Cross multiply
   34,500x = 73,920 × 73,920
4. Step 4: Simplify right side
   34,500x = 5,464,166,400
5. Step 5: Solve for x
   x = 5,464,166,400/34,500
6. Step 6: Final answer
   x = 158,381.63