Finding the Third Proportional to 373,212 and 799,666

Step by Step Solution

1. Step 1: Write the proportion equation
   373,212 : 799,666 = 799,666 : x
2. Step 2: Convert to fraction form
   373,212/799,666 = 799,666/x
3. Step 3: Cross multiply
   373,212x = 799,666 × 799,666
4. Step 4: Simplify right side
   373,212x = 639,465,711,556
5. Step 5: Solve for x
   x = 639,465,711,556/373,212
6. Step 6: Final answer
   x = 1,713,411.44