Finding the Third Proportional to 687,630 and 1,032,744

Step by Step Solution

1. Step 1: Write the proportion equation
   687,630 : 1,032,744 = 1,032,744 : x
2. Step 2: Convert to fraction form
   687,630/1,032,744 = 1,032,744/x
3. Step 3: Cross multiply
   687,630x = 1,032,744 × 1,032,744
4. Step 4: Simplify right side
   687,630x = 1,066,560,169,536
5. Step 5: Solve for x
   x = 1,066,560,169,536/687,630
6. Step 6: Final answer
   x = 1,551,066.95