Finding the Third Proportional to 3,780,786 and 8,296,404

Step by Step Solution

1. Step 1: Write the proportion equation
   3,780,786 : 8,296,404 = 8,296,404 : x
2. Step 2: Convert to fraction form
   3,780,786/8,296,404 = 8,296,404/x
3. Step 3: Cross multiply
   3,780,786x = 8,296,404 × 8,296,404
4. Step 4: Simplify right side
   3,780,786x = 68,830,319,331,216
5. Step 5: Solve for x
   x = 68,830,319,331,216/3,780,786
6. Step 6: Final answer
   x = 18,205,293.64