Finding the Third Proportional to 422,868 and 922,078.50

Step by Step Solution

1. Step 1: Write the proportion equation
   422,868 : 922,078.50 = 922,078.50 : x
2. Step 2: Convert to fraction form
   422,868/922,078.50 = 922,078.50/x
3. Step 3: Cross multiply
   422,868x = 922,078.50 × 922,078.50
4. Step 4: Simplify right side
   422,868x = 850,228,760,162.25
5. Step 5: Solve for x
   x = 850,228,760,162.25/422,868
6. Step 6: Final answer
   x = 2,010,624.50