Finding the Third Proportional to 687,134 and 1,027,542

Step by Step Solution

1. Step 1: Write the proportion equation
   687,134 : 1,027,542 = 1,027,542 : x
2. Step 2: Convert to fraction form
   687,134/1,027,542 = 1,027,542/x
3. Step 3: Cross multiply
   687,134x = 1,027,542 × 1,027,542
4. Step 4: Simplify right side
   687,134x = 1,055,842,561,764
5. Step 5: Solve for x
   x = 1,055,842,561,764/687,134
6. Step 6: Final answer
   x = 1,536,589.02