Finding the Third Proportional to 112,661 and 173,959

Step by Step Solution

1. Step 1: Write the proportion equation
   112,661 : 173,959 = 173,959 : x
2. Step 2: Convert to fraction form
   112,661/173,959 = 173,959/x
3. Step 3: Cross multiply
   112,661x = 173,959 × 173,959
4. Step 4: Simplify right side
   112,661x = 30,261,733,681
5. Step 5: Solve for x
   x = 30,261,733,681/112,661
6. Step 6: Final answer
   x = 268,608.78