Finding the Third Proportional to 3,494,817 and 7,475,520

Step by Step Solution

1. Step 1: Write the proportion equation
   3,494,817 : 7,475,520 = 7,475,520 : x
2. Step 2: Convert to fraction form
   3,494,817/7,475,520 = 7,475,520/x
3. Step 3: Cross multiply
   3,494,817x = 7,475,520 × 7,475,520
4. Step 4: Simplify right side
   3,494,817x = 55,883,399,270,400
5. Step 5: Solve for x
   x = 55,883,399,270,400/3,494,817
6. Step 6: Final answer
   x = 15,990,364.95