Finding the Third Proportional to 434,726 and 897,388

Step by Step Solution

1. Step 1: Write the proportion equation
   434,726 : 897,388 = 897,388 : x
2. Step 2: Convert to fraction form
   434,726/897,388 = 897,388/x
3. Step 3: Cross multiply
   434,726x = 897,388 × 897,388
4. Step 4: Simplify right side
   434,726x = 805,305,222,544
5. Step 5: Solve for x
   x = 805,305,222,544/434,726
6. Step 6: Final answer
   x = 1,852,443.20