Finding the Third Proportional to 2,812,497 and 3,982,278

Step by Step Solution

1. Step 1: Write the proportion equation
   2,812,497 : 3,982,278 = 3,982,278 : x
2. Step 2: Convert to fraction form
   2,812,497/3,982,278 = 3,982,278/x
3. Step 3: Cross multiply
   2,812,497x = 3,982,278 × 3,982,278
4. Step 4: Simplify right side
   2,812,497x = 15,858,538,069,284
5. Step 5: Solve for x
   x = 15,858,538,069,284/2,812,497
6. Step 6: Final answer
   x = 5,638,597.33