Finding the Third Proportional to 658,016 and 1,428,780

Step by Step Solution

1. Step 1: Write the proportion equation
   658,016 : 1,428,780 = 1,428,780 : x
2. Step 2: Convert to fraction form
   658,016/1,428,780 = 1,428,780/x
3. Step 3: Cross multiply
   658,016x = 1,428,780 × 1,428,780
4. Step 4: Simplify right side
   658,016x = 2,041,412,288,400
5. Step 5: Solve for x
   x = 2,041,412,288,400/658,016
6. Step 6: Final answer
   x = 3,102,374.85