Finding the Third Proportional to 864,324 and 1,367,520

Step by Step Solution

1. Step 1: Write the proportion equation
   864,324 : 1,367,520 = 1,367,520 : x
2. Step 2: Convert to fraction form
   864,324/1,367,520 = 1,367,520/x
3. Step 3: Cross multiply
   864,324x = 1,367,520 × 1,367,520
4. Step 4: Simplify right side
   864,324x = 1,870,110,950,400
5. Step 5: Solve for x
   x = 1,870,110,950,400/864,324
6. Step 6: Final answer
   x = 2,163,668.89