Finding the Third Proportional to 671,690 and 1,419,188

Step by Step Solution

1. Step 1: Write the proportion equation
   671,690 : 1,419,188 = 1,419,188 : x
2. Step 2: Convert to fraction form
   671,690/1,419,188 = 1,419,188/x
3. Step 3: Cross multiply
   671,690x = 1,419,188 × 1,419,188
4. Step 4: Simplify right side
   671,690x = 2,014,094,579,344
5. Step 5: Solve for x
   x = 2,014,094,579,344/671,690
6. Step 6: Final answer
   x = 2,998,547.81