Finding the Third Proportional to 671,970 and 1,040,454

Step by Step Solution

1. Step 1: Write the proportion equation
   671,970 : 1,040,454 = 1,040,454 : x
2. Step 2: Convert to fraction form
   671,970/1,040,454 = 1,040,454/x
3. Step 3: Cross multiply
   671,970x = 1,040,454 × 1,040,454
4. Step 4: Simplify right side
   671,970x = 1,082,544,526,116
5. Step 5: Solve for x
   x = 1,082,544,526,116/671,970
6. Step 6: Final answer
   x = 1,611,001.27