Finding the Third Proportional to 419,580 and 913,842

Step by Step Solution

1. Step 1: Write the proportion equation
   419,580 : 913,842 = 913,842 : x
2. Step 2: Convert to fraction form
   419,580/913,842 = 913,842/x
3. Step 3: Cross multiply
   419,580x = 913,842 × 913,842
4. Step 4: Simplify right side
   419,580x = 835,107,200,964
5. Step 5: Solve for x
   x = 835,107,200,964/419,580
6. Step 6: Final answer
   x = 1,990,340.82