Finding the Third Proportional to 1,231,040 and 1,841,639

Step by Step Solution

1. Step 1: Write the proportion equation
   1,231,040 : 1,841,639 = 1,841,639 : x
2. Step 2: Convert to fraction form
   1,231,040/1,841,639 = 1,841,639/x
3. Step 3: Cross multiply
   1,231,040x = 1,841,639 × 1,841,639
4. Step 4: Simplify right side
   1,231,040x = 3,391,634,206,321
5. Step 5: Solve for x
   x = 3,391,634,206,321/1,231,040
6. Step 6: Final answer
   x = 2,755,096.67