Finding the Third Proportional to 72,959.25 and 159,757.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,959.25 : 159,757.50 = 159,757.50 : x
2. Step 2: Convert to fraction form
   72,959.25/159,757.50 = 159,757.50/x
3. Step 3: Cross multiply
   72,959.25x = 159,757.50 × 159,757.50
4. Step 4: Simplify right side
   72,959.25x = 25,522,458,806.25
5. Step 5: Solve for x
   x = 25,522,458,806.25/72,959.25
6. Step 6: Final answer
   x = 349,818.00