Finding the Third Proportional to 900,816 and 1,957,392

Step by Step Solution

1. Step 1: Write the proportion equation
   900,816 : 1,957,392 = 1,957,392 : x
2. Step 2: Convert to fraction form
   900,816/1,957,392 = 1,957,392/x
3. Step 3: Cross multiply
   900,816x = 1,957,392 × 1,957,392
4. Step 4: Simplify right side
   900,816x = 3,831,383,441,664
5. Step 5: Solve for x
   x = 3,831,383,441,664/900,816
6. Step 6: Final answer
   x = 4,253,236.45