Finding the Third Proportional to 647,180 and 1,013,021

Step by Step Solution

1. Step 1: Write the proportion equation
   647,180 : 1,013,021 = 1,013,021 : x
2. Step 2: Convert to fraction form
   647,180/1,013,021 = 1,013,021/x
3. Step 3: Cross multiply
   647,180x = 1,013,021 × 1,013,021
4. Step 4: Simplify right side
   647,180x = 1,026,211,546,441
5. Step 5: Solve for x
   x = 1,026,211,546,441/647,180
6. Step 6: Final answer
   x = 1,585,666.35