Finding the Third Proportional to 864,404 and 1,248,801

Step by Step Solution

1. Step 1: Write the proportion equation
   864,404 : 1,248,801 = 1,248,801 : x
2. Step 2: Convert to fraction form
   864,404/1,248,801 = 1,248,801/x
3. Step 3: Cross multiply
   864,404x = 1,248,801 × 1,248,801
4. Step 4: Simplify right side
   864,404x = 1,559,503,937,601
5. Step 5: Solve for x
   x = 1,559,503,937,601/864,404
6. Step 6: Final answer
   x = 1,804,137.81