Finding the Third Proportional to 830,182 and 1,215,666

Step by Step Solution

1. Step 1: Write the proportion equation
   830,182 : 1,215,666 = 1,215,666 : x
2. Step 2: Convert to fraction form
   830,182/1,215,666 = 1,215,666/x
3. Step 3: Cross multiply
   830,182x = 1,215,666 × 1,215,666
4. Step 4: Simplify right side
   830,182x = 1,477,843,823,556
5. Step 5: Solve for x
   x = 1,477,843,823,556/830,182
6. Step 6: Final answer
   x = 1,780,144.38