Finding the Third Proportional to 668,853 and 1,003,488

Step by Step Solution

1. Step 1: Write the proportion equation
   668,853 : 1,003,488 = 1,003,488 : x
2. Step 2: Convert to fraction form
   668,853/1,003,488 = 1,003,488/x
3. Step 3: Cross multiply
   668,853x = 1,003,488 × 1,003,488
4. Step 4: Simplify right side
   668,853x = 1,006,988,166,144
5. Step 5: Solve for x
   x = 1,006,988,166,144/668,853
6. Step 6: Final answer
   x = 1,505,544.81