Finding the Third Proportional to 679,084 and 1,439,116

Step by Step Solution

1. Step 1: Write the proportion equation
   679,084 : 1,439,116 = 1,439,116 : x
2. Step 2: Convert to fraction form
   679,084/1,439,116 = 1,439,116/x
3. Step 3: Cross multiply
   679,084x = 1,439,116 × 1,439,116
4. Step 4: Simplify right side
   679,084x = 2,071,054,861,456
5. Step 5: Solve for x
   x = 2,071,054,861,456/679,084
6. Step 6: Final answer
   x = 3,049,777.14