Finding the Third Proportional to 976,678 and 2,028,205

Step by Step Solution

1. Step 1: Write the proportion equation
   976,678 : 2,028,205 = 2,028,205 : x
2. Step 2: Convert to fraction form
   976,678/2,028,205 = 2,028,205/x
3. Step 3: Cross multiply
   976,678x = 2,028,205 × 2,028,205
4. Step 4: Simplify right side
   976,678x = 4,113,615,522,025
5. Step 5: Solve for x
   x = 4,113,615,522,025/976,678
6. Step 6: Final answer
   x = 4,211,844.15