Finding the Third Proportional to 897,840 and 1,259,830

Step by Step Solution

1. Step 1: Write the proportion equation
   897,840 : 1,259,830 = 1,259,830 : x
2. Step 2: Convert to fraction form
   897,840/1,259,830 = 1,259,830/x
3. Step 3: Cross multiply
   897,840x = 1,259,830 × 1,259,830
4. Step 4: Simplify right side
   897,840x = 1,587,171,628,900
5. Step 5: Solve for x
   x = 1,587,171,628,900/897,840
6. Step 6: Final answer
   x = 1,767,766.67