Finding the Third Proportional to 367,458 and 787,404

Step by Step Solution

1. Step 1: Write the proportion equation
   367,458 : 787,404 = 787,404 : x
2. Step 2: Convert to fraction form
   367,458/787,404 = 787,404/x
3. Step 3: Cross multiply
   367,458x = 787,404 × 787,404
4. Step 4: Simplify right side
   367,458x = 620,005,059,216
5. Step 5: Solve for x
   x = 620,005,059,216/367,458
6. Step 6: Final answer
   x = 1,687,281.43