Finding the Third Proportional to 557,178.38 and 1,221,162

Step by Step Solution

1. Step 1: Write the proportion equation
   557,178.38 : 1,221,162 = 1,221,162 : x
2. Step 2: Convert to fraction form
   557,178.38/1,221,162 = 1,221,162/x
3. Step 3: Cross multiply
   557,178.38x = 1,221,162 × 1,221,162
4. Step 4: Simplify right side
   557,178.38x = 1,491,236,630,244
5. Step 5: Solve for x
   x = 1,491,236,630,244/557,178.38
6. Step 6: Final answer
   x = 2,676,407.95