Finding the Third Proportional to 420,188 and 922,016

Step by Step Solution

1. Step 1: Write the proportion equation
   420,188 : 922,016 = 922,016 : x
2. Step 2: Convert to fraction form
   420,188/922,016 = 922,016/x
3. Step 3: Cross multiply
   420,188x = 922,016 × 922,016
4. Step 4: Simplify right side
   420,188x = 850,113,504,256
5. Step 5: Solve for x
   x = 850,113,504,256/420,188
6. Step 6: Final answer
   x = 2,023,174.16