Finding the Third Proportional to 687,028 and 1,465,370

Step by Step Solution

1. Step 1: Write the proportion equation
   687,028 : 1,465,370 = 1,465,370 : x
2. Step 2: Convert to fraction form
   687,028/1,465,370 = 1,465,370/x
3. Step 3: Cross multiply
   687,028x = 1,465,370 × 1,465,370
4. Step 4: Simplify right side
   687,028x = 2,147,309,236,900
5. Step 5: Solve for x
   x = 2,147,309,236,900/687,028
6. Step 6: Final answer
   x = 3,125,504.69