Finding the Third Proportional to 72,512 and 112,054

Step by Step Solution

1. Step 1: Write the proportion equation
   72,512 : 112,054 = 112,054 : x
2. Step 2: Convert to fraction form
   72,512/112,054 = 112,054/x
3. Step 3: Cross multiply
   72,512x = 112,054 × 112,054
4. Step 4: Simplify right side
   72,512x = 12,556,098,916
5. Step 5: Solve for x
   x = 12,556,098,916/72,512
6. Step 6: Final answer
   x = 173,158.91