Finding the Third Proportional to 406,024 and 874,256

Step by Step Solution

1. Step 1: Write the proportion equation
   406,024 : 874,256 = 874,256 : x
2. Step 2: Convert to fraction form
   406,024/874,256 = 874,256/x
3. Step 3: Cross multiply
   406,024x = 874,256 × 874,256
4. Step 4: Simplify right side
   406,024x = 764,323,553,536
5. Step 5: Solve for x
   x = 764,323,553,536/406,024
6. Step 6: Final answer
   x = 1,882,459.05