Finding the Third Proportional to 679,082 and 1,439,112

Step by Step Solution

1. Step 1: Write the proportion equation
   679,082 : 1,439,112 = 1,439,112 : x
2. Step 2: Convert to fraction form
   679,082/1,439,112 = 1,439,112/x
3. Step 3: Cross multiply
   679,082x = 1,439,112 × 1,439,112
4. Step 4: Simplify right side
   679,082x = 2,071,043,348,544
5. Step 5: Solve for x
   x = 2,071,043,348,544/679,082
6. Step 6: Final answer
   x = 3,049,769.17