Finding the Third Proportional to 672,080 and 1,064,723

Step by Step Solution

1. Step 1: Write the proportion equation
   672,080 : 1,064,723 = 1,064,723 : x
2. Step 2: Convert to fraction form
   672,080/1,064,723 = 1,064,723/x
3. Step 3: Cross multiply
   672,080x = 1,064,723 × 1,064,723
4. Step 4: Simplify right side
   672,080x = 1,133,635,066,729
5. Step 5: Solve for x
   x = 1,133,635,066,729/672,080
6. Step 6: Final answer
   x = 1,686,756.14