Finding the Third Proportional to 406,809 and 874,842.75

Step by Step Solution

1. Step 1: Write the proportion equation
   406,809 : 874,842.75 = 874,842.75 : x
2. Step 2: Convert to fraction form
   406,809/874,842.75 = 874,842.75/x
3. Step 3: Cross multiply
   406,809x = 874,842.75 × 874,842.75
4. Step 4: Simplify right side
   406,809x = 765,349,837,227.56
5. Step 5: Solve for x
   x = 765,349,837,227.56/406,809
6. Step 6: Final answer
   x = 1,881,349.32