Finding the Third Proportional to 72,359 and 156,745

Step by Step Solution

1. Step 1: Write the proportion equation
   72,359 : 156,745 = 156,745 : x
2. Step 2: Convert to fraction form
   72,359/156,745 = 156,745/x
3. Step 3: Cross multiply
   72,359x = 156,745 × 156,745
4. Step 4: Simplify right side
   72,359x = 24,568,995,025
5. Step 5: Solve for x
   x = 24,568,995,025/72,359
6. Step 6: Final answer
   x = 339,543.04