Finding the Third Proportional to 672,204 and 1,406,724

Step by Step Solution

1. Step 1: Write the proportion equation
   672,204 : 1,406,724 = 1,406,724 : x
2. Step 2: Convert to fraction form
   672,204/1,406,724 = 1,406,724/x
3. Step 3: Cross multiply
   672,204x = 1,406,724 × 1,406,724
4. Step 4: Simplify right side
   672,204x = 1,978,872,412,176
5. Step 5: Solve for x
   x = 1,978,872,412,176/672,204
6. Step 6: Final answer
   x = 2,943,856.94