Finding the Third Proportional to 75,730.50 and 159,450

Step by Step Solution

1. Step 1: Write the proportion equation
   75,730.50 : 159,450 = 159,450 : x
2. Step 2: Convert to fraction form
   75,730.50/159,450 = 159,450/x
3. Step 3: Cross multiply
   75,730.50x = 159,450 × 159,450
4. Step 4: Simplify right side
   75,730.50x = 25,424,302,500
5. Step 5: Solve for x
   x = 25,424,302,500/75,730.50
6. Step 6: Final answer
   x = 335,720.78