Finding the Third Proportional to 112,005 and 173,445

Step by Step Solution

1. Step 1: Write the proportion equation
   112,005 : 173,445 = 173,445 : x
2. Step 2: Convert to fraction form
   112,005/173,445 = 173,445/x
3. Step 3: Cross multiply
   112,005x = 173,445 × 173,445
4. Step 4: Simplify right side
   112,005x = 30,083,168,025
5. Step 5: Solve for x
   x = 30,083,168,025/112,005
6. Step 6: Final answer
   x = 268,587.72