Finding the Third Proportional to 605,747 and 1,321,520

Step by Step Solution

1. Step 1: Write the proportion equation
   605,747 : 1,321,520 = 1,321,520 : x
2. Step 2: Convert to fraction form
   605,747/1,321,520 = 1,321,520/x
3. Step 3: Cross multiply
   605,747x = 1,321,520 × 1,321,520
4. Step 4: Simplify right side
   605,747x = 1,746,415,110,400
5. Step 5: Solve for x
   x = 1,746,415,110,400/605,747
6. Step 6: Final answer
   x = 2,883,076.78