Finding the Third Proportional to 1,124,490 and 1,729,749

Step by Step Solution

1. Step 1: Write the proportion equation
   1,124,490 : 1,729,749 = 1,729,749 : x
2. Step 2: Convert to fraction form
   1,124,490/1,729,749 = 1,729,749/x
3. Step 3: Cross multiply
   1,124,490x = 1,729,749 × 1,729,749
4. Step 4: Simplify right side
   1,124,490x = 2,992,031,603,001
5. Step 5: Solve for x
   x = 2,992,031,603,001/1,124,490
6. Step 6: Final answer
   x = 2,660,789.87