Finding the Third Proportional to 664,522 and 1,003,695

Step by Step Solution

1. Step 1: Write the proportion equation
   664,522 : 1,003,695 = 1,003,695 : x
2. Step 2: Convert to fraction form
   664,522/1,003,695 = 1,003,695/x
3. Step 3: Cross multiply
   664,522x = 1,003,695 × 1,003,695
4. Step 4: Simplify right side
   664,522x = 1,007,403,653,025
5. Step 5: Solve for x
   x = 1,007,403,653,025/664,522
6. Step 6: Final answer
   x = 1,515,982.39