Finding the Third Proportional to 890,433 and 1,972,944

Step by Step Solution

1. Step 1: Write the proportion equation
   890,433 : 1,972,944 = 1,972,944 : x
2. Step 2: Convert to fraction form
   890,433/1,972,944 = 1,972,944/x
3. Step 3: Cross multiply
   890,433x = 1,972,944 × 1,972,944
4. Step 4: Simplify right side
   890,433x = 3,892,508,027,136
5. Step 5: Solve for x
   x = 3,892,508,027,136/890,433
6. Step 6: Final answer
   x = 4,371,477.73