Finding the Third Proportional to 671,776 and 1,419,384

Step by Step Solution

1. Step 1: Write the proportion equation
   671,776 : 1,419,384 = 1,419,384 : x
2. Step 2: Convert to fraction form
   671,776/1,419,384 = 1,419,384/x
3. Step 3: Cross multiply
   671,776x = 1,419,384 × 1,419,384
4. Step 4: Simplify right side
   671,776x = 2,014,650,939,456
5. Step 5: Solve for x
   x = 2,014,650,939,456/671,776
6. Step 6: Final answer
   x = 2,998,992.13