Finding the Third Proportional to 3,493,708 and 7,639,136

Step by Step Solution

1. Step 1: Write the proportion equation
   3,493,708 : 7,639,136 = 7,639,136 : x
2. Step 2: Convert to fraction form
   3,493,708/7,639,136 = 7,639,136/x
3. Step 3: Cross multiply
   3,493,708x = 7,639,136 × 7,639,136
4. Step 4: Simplify right side
   3,493,708x = 58,356,398,826,496
5. Step 5: Solve for x
   x = 58,356,398,826,496/3,493,708
6. Step 6: Final answer
   x = 16,703,284.54