Finding the Third Proportional to 72,445 and 112,081

Step by Step Solution

1. Step 1: Write the proportion equation
   72,445 : 112,081 = 112,081 : x
2. Step 2: Convert to fraction form
   72,445/112,081 = 112,081/x
3. Step 3: Cross multiply
   72,445x = 112,081 × 112,081
4. Step 4: Simplify right side
   72,445x = 12,562,150,561
5. Step 5: Solve for x
   x = 12,562,150,561/72,445
6. Step 6: Final answer
   x = 173,402.59