Finding the Third Proportional to 3,676,404 and 8,078,488

Step by Step Solution

1. Step 1: Write the proportion equation
   3,676,404 : 8,078,488 = 8,078,488 : x
2. Step 2: Convert to fraction form
   3,676,404/8,078,488 = 8,078,488/x
3. Step 3: Cross multiply
   3,676,404x = 8,078,488 × 8,078,488
4. Step 4: Simplify right side
   3,676,404x = 65,261,968,366,144
5. Step 5: Solve for x
   x = 65,261,968,366,144/3,676,404
6. Step 6: Final answer
   x = 17,751,576.91