Finding the Third Proportional to 647,209 and 1,013,057

Step by Step Solution

1. Step 1: Write the proportion equation
   647,209 : 1,013,057 = 1,013,057 : x
2. Step 2: Convert to fraction form
   647,209/1,013,057 = 1,013,057/x
3. Step 3: Cross multiply
   647,209x = 1,013,057 × 1,013,057
4. Step 4: Simplify right side
   647,209x = 1,026,284,485,249
5. Step 5: Solve for x
   x = 1,026,284,485,249/647,209
6. Step 6: Final answer
   x = 1,585,707.99