Finding the Third Proportional to 72,353.50 and 156,416

Step by Step Solution

1. Step 1: Write the proportion equation
   72,353.50 : 156,416 = 156,416 : x
2. Step 2: Convert to fraction form
   72,353.50/156,416 = 156,416/x
3. Step 3: Cross multiply
   72,353.50x = 156,416 × 156,416
4. Step 4: Simplify right side
   72,353.50x = 24,465,965,056
5. Step 5: Solve for x
   x = 24,465,965,056/72,353.50
6. Step 6: Final answer
   x = 338,144.87