Finding the Third Proportional to 906,744 and 1,976,288

Step by Step Solution

1. Step 1: Write the proportion equation
   906,744 : 1,976,288 = 1,976,288 : x
2. Step 2: Convert to fraction form
   906,744/1,976,288 = 1,976,288/x
3. Step 3: Cross multiply
   906,744x = 1,976,288 × 1,976,288
4. Step 4: Simplify right side
   906,744x = 3,905,714,258,944
5. Step 5: Solve for x
   x = 3,905,714,258,944/906,744
6. Step 6: Final answer
   x = 4,307,405.68