Finding the Third Proportional to 72,680 and 112,236

Step by Step Solution

1. Step 1: Write the proportion equation
   72,680 : 112,236 = 112,236 : x
2. Step 2: Convert to fraction form
   72,680/112,236 = 112,236/x
3. Step 3: Cross multiply
   72,680x = 112,236 × 112,236
4. Step 4: Simplify right side
   72,680x = 12,596,919,696
5. Step 5: Solve for x
   x = 12,596,919,696/72,680
6. Step 6: Final answer
   x = 173,320.30