Finding the Third Proportional to 159,928.25 and 342,000

Step by Step Solution

1. Step 1: Write the proportion equation
   159,928.25 : 342,000 = 342,000 : x
2. Step 2: Convert to fraction form
   159,928.25/342,000 = 342,000/x
3. Step 3: Cross multiply
   159,928.25x = 342,000 × 342,000
4. Step 4: Simplify right side
   159,928.25x = 116,964,000,000
5. Step 5: Solve for x
   x = 116,964,000,000/159,928.25
6. Step 6: Final answer
   x = 731,352.97