Finding the Third Proportional to 3,421,685 and 5,296,314

Step by Step Solution

1. Step 1: Write the proportion equation
   3,421,685 : 5,296,314 = 5,296,314 : x
2. Step 2: Convert to fraction form
   3,421,685/5,296,314 = 5,296,314/x
3. Step 3: Cross multiply
   3,421,685x = 5,296,314 × 5,296,314
4. Step 4: Simplify right side
   3,421,685x = 28,050,941,986,596
5. Step 5: Solve for x
   x = 28,050,941,986,596/3,421,685
6. Step 6: Final answer
   x = 8,197,990.75