Finding the Third Proportional to 401,559 and 745,662

Step by Step Solution

1. Step 1: Write the proportion equation
   401,559 : 745,662 = 745,662 : x
2. Step 2: Convert to fraction form
   401,559/745,662 = 745,662/x
3. Step 3: Cross multiply
   401,559x = 745,662 × 745,662
4. Step 4: Simplify right side
   401,559x = 556,011,818,244
5. Step 5: Solve for x
   x = 556,011,818,244/401,559
6. Step 6: Final answer
   x = 1,384,632.94