Finding the Third Proportional to 3,518,396 and 7,684,576

Step by Step Solution

1. Step 1: Write the proportion equation
   3,518,396 : 7,684,576 = 7,684,576 : x
2. Step 2: Convert to fraction form
   3,518,396/7,684,576 = 7,684,576/x
3. Step 3: Cross multiply
   3,518,396x = 7,684,576 × 7,684,576
4. Step 4: Simplify right side
   3,518,396x = 59,052,708,299,776
5. Step 5: Solve for x
   x = 59,052,708,299,776/3,518,396
6. Step 6: Final answer
   x = 16,783,985.74