Finding the Third Proportional to 3,651,671 and 7,880,698

Step by Step Solution

1. Step 1: Write the proportion equation
   3,651,671 : 7,880,698 = 7,880,698 : x
2. Step 2: Convert to fraction form
   3,651,671/7,880,698 = 7,880,698/x
3. Step 3: Cross multiply
   3,651,671x = 7,880,698 × 7,880,698
4. Step 4: Simplify right side
   3,651,671x = 62,105,400,967,204
5. Step 5: Solve for x
   x = 62,105,400,967,204/3,651,671
6. Step 6: Final answer
   x = 17,007,392.22