Finding the Third Proportional to 72,876 and 112,380

Step by Step Solution

1. Step 1: Write the proportion equation
   72,876 : 112,380 = 112,380 : x
2. Step 2: Convert to fraction form
   72,876/112,380 = 112,380/x
3. Step 3: Cross multiply
   72,876x = 112,380 × 112,380
4. Step 4: Simplify right side
   72,876x = 12,629,264,400
5. Step 5: Solve for x
   x = 12,629,264,400/72,876
6. Step 6: Final answer
   x = 173,297.99