Finding the Third Proportional to 72,504 and 159,718.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,504 : 159,718.50 = 159,718.50 : x
2. Step 2: Convert to fraction form
   72,504/159,718.50 = 159,718.50/x
3. Step 3: Cross multiply
   72,504x = 159,718.50 × 159,718.50
4. Step 4: Simplify right side
   72,504x = 25,509,999,242.25
5. Step 5: Solve for x
   x = 25,509,999,242.25/72,504
6. Step 6: Final answer
   x = 351,842.65