Finding the Third Proportional to 671,771 and 1,040,111

Step by Step Solution

1. Step 1: Write the proportion equation
   671,771 : 1,040,111 = 1,040,111 : x
2. Step 2: Convert to fraction form
   671,771/1,040,111 = 1,040,111/x
3. Step 3: Cross multiply
   671,771x = 1,040,111 × 1,040,111
4. Step 4: Simplify right side
   671,771x = 1,081,830,892,321
5. Step 5: Solve for x
   x = 1,081,830,892,321/671,771
6. Step 6: Final answer
   x = 1,610,416.19