Finding the Third Proportional to 900,900 and 1,958,612

Step by Step Solution

1. Step 1: Write the proportion equation
   900,900 : 1,958,612 = 1,958,612 : x
2. Step 2: Convert to fraction form
   900,900/1,958,612 = 1,958,612/x
3. Step 3: Cross multiply
   900,900x = 1,958,612 × 1,958,612
4. Step 4: Simplify right side
   900,900x = 3,836,160,966,544
5. Step 5: Solve for x
   x = 3,836,160,966,544/900,900
6. Step 6: Final answer
   x = 4,258,142.93