Finding the Third Proportional to 681,672 and 1,433,836

Step by Step Solution

1. Step 1: Write the proportion equation
   681,672 : 1,433,836 = 1,433,836 : x
2. Step 2: Convert to fraction form
   681,672/1,433,836 = 1,433,836/x
3. Step 3: Cross multiply
   681,672x = 1,433,836 × 1,433,836
4. Step 4: Simplify right side
   681,672x = 2,055,885,674,896
5. Step 5: Solve for x
   x = 2,055,885,674,896/681,672
6. Step 6: Final answer
   x = 3,015,945.61