Finding the Third Proportional to 640,862 and 1,383,050

Step by Step Solution

1. Step 1: Write the proportion equation
   640,862 : 1,383,050 = 1,383,050 : x
2. Step 2: Convert to fraction form
   640,862/1,383,050 = 1,383,050/x
3. Step 3: Cross multiply
   640,862x = 1,383,050 × 1,383,050
4. Step 4: Simplify right side
   640,862x = 1,912,827,302,500
5. Step 5: Solve for x
   x = 1,912,827,302,500/640,862
6. Step 6: Final answer
   x = 2,984,772.54