Finding the Third Proportional to 679,872 and 1,049,088

Step by Step Solution

1. Step 1: Write the proportion equation
   679,872 : 1,049,088 = 1,049,088 : x
2. Step 2: Convert to fraction form
   679,872/1,049,088 = 1,049,088/x
3. Step 3: Cross multiply
   679,872x = 1,049,088 × 1,049,088
4. Step 4: Simplify right side
   679,872x = 1,100,585,631,744
5. Step 5: Solve for x
   x = 1,100,585,631,744/679,872
6. Step 6: Final answer
   x = 1,618,813.00