Finding the Third Proportional to 1,679,763 and 3,639,462

Step by Step Solution

1. Step 1: Write the proportion equation
   1,679,763 : 3,639,462 = 3,639,462 : x
2. Step 2: Convert to fraction form
   1,679,763/3,639,462 = 3,639,462/x
3. Step 3: Cross multiply
   1,679,763x = 3,639,462 × 3,639,462
4. Step 4: Simplify right side
   1,679,763x = 13,245,683,649,444
5. Step 5: Solve for x
   x = 13,245,683,649,444/1,679,763
6. Step 6: Final answer
   x = 7,885,447.92