Finding the Third Proportional to 647,433 and 1,320,567

Step by Step Solution

1. Step 1: Write the proportion equation
   647,433 : 1,320,567 = 1,320,567 : x
2. Step 2: Convert to fraction form
   647,433/1,320,567 = 1,320,567/x
3. Step 3: Cross multiply
   647,433x = 1,320,567 × 1,320,567
4. Step 4: Simplify right side
   647,433x = 1,743,897,201,489
5. Step 5: Solve for x
   x = 1,743,897,201,489/647,433
6. Step 6: Final answer
   x = 2,693,556.25