Finding the Third Proportional to 687,555 and 1,049,130

Step by Step Solution

1. Step 1: Write the proportion equation
   687,555 : 1,049,130 = 1,049,130 : x
2. Step 2: Convert to fraction form
   687,555/1,049,130 = 1,049,130/x
3. Step 3: Cross multiply
   687,555x = 1,049,130 × 1,049,130
4. Step 4: Simplify right side
   687,555x = 1,100,673,756,900
5. Step 5: Solve for x
   x = 1,100,673,756,900/687,555
6. Step 6: Final answer
   x = 1,600,851.94