Finding the Third Proportional to 647,443 and 1,015,647

Step by Step Solution

1. Step 1: Write the proportion equation
   647,443 : 1,015,647 = 1,015,647 : x
2. Step 2: Convert to fraction form
   647,443/1,015,647 = 1,015,647/x
3. Step 3: Cross multiply
   647,443x = 1,015,647 × 1,015,647
4. Step 4: Simplify right side
   647,443x = 1,031,538,828,609
5. Step 5: Solve for x
   x = 1,031,538,828,609/647,443
6. Step 6: Final answer
   x = 1,593,250.42