Finding the Third Proportional to 647,202 and 1,003,039

Step by Step Solution

1. Step 1: Write the proportion equation
   647,202 : 1,003,039 = 1,003,039 : x
2. Step 2: Convert to fraction form
   647,202/1,003,039 = 1,003,039/x
3. Step 3: Cross multiply
   647,202x = 1,003,039 × 1,003,039
4. Step 4: Simplify right side
   647,202x = 1,006,087,235,521
5. Step 5: Solve for x
   x = 1,006,087,235,521/647,202
6. Step 6: Final answer
   x = 1,554,518.12