Finding the Third Proportional to 3,527,786 and 7,479,474

Step by Step Solution

1. Step 1: Write the proportion equation
   3,527,786 : 7,479,474 = 7,479,474 : x
2. Step 2: Convert to fraction form
   3,527,786/7,479,474 = 7,479,474/x
3. Step 3: Cross multiply
   3,527,786x = 7,479,474 × 7,479,474
4. Step 4: Simplify right side
   3,527,786x = 55,942,531,316,676
5. Step 5: Solve for x
   x = 55,942,531,316,676/3,527,786
6. Step 6: Final answer
   x = 15,857,688.45