Finding the Third Proportional to 72,286 and 112,800

Step by Step Solution

1. Step 1: Write the proportion equation
   72,286 : 112,800 = 112,800 : x
2. Step 2: Convert to fraction form
   72,286/112,800 = 112,800/x
3. Step 3: Cross multiply
   72,286x = 112,800 × 112,800
4. Step 4: Simplify right side
   72,286x = 12,723,840,000
5. Step 5: Solve for x
   x = 12,723,840,000/72,286
6. Step 6: Final answer
   x = 176,020.81