Finding the Third Proportional to 434,978 and 922,180

Step by Step Solution

1. Step 1: Write the proportion equation
   434,978 : 922,180 = 922,180 : x
2. Step 2: Convert to fraction form
   434,978/922,180 = 922,180/x
3. Step 3: Cross multiply
   434,978x = 922,180 × 922,180
4. Step 4: Simplify right side
   434,978x = 850,415,952,400
5. Step 5: Solve for x
   x = 850,415,952,400/434,978
6. Step 6: Final answer
   x = 1,955,078.08