Finding the Third Proportional to 619,760 and 957,666

Step by Step Solution

1. Step 1: Write the proportion equation
   619,760 : 957,666 = 957,666 : x
2. Step 2: Convert to fraction form
   619,760/957,666 = 957,666/x
3. Step 3: Cross multiply
   619,760x = 957,666 × 957,666
4. Step 4: Simplify right side
   619,760x = 917,124,167,556
5. Step 5: Solve for x
   x = 917,124,167,556/619,760
6. Step 6: Final answer
   x = 1,479,805.36