Finding the Third Proportional to 72,504 and 160,560

Step by Step Solution

1. Step 1: Write the proportion equation
   72,504 : 160,560 = 160,560 : x
2. Step 2: Convert to fraction form
   72,504/160,560 = 160,560/x
3. Step 3: Cross multiply
   72,504x = 160,560 × 160,560
4. Step 4: Simplify right side
   72,504x = 25,779,513,600
5. Step 5: Solve for x
   x = 25,779,513,600/72,504
6. Step 6: Final answer
   x = 355,559.88