Finding the Third Proportional to 817,872 and 1,760,724

Step by Step Solution

1. Step 1: Write the proportion equation
   817,872 : 1,760,724 = 1,760,724 : x
2. Step 2: Convert to fraction form
   817,872/1,760,724 = 1,760,724/x
3. Step 3: Cross multiply
   817,872x = 1,760,724 × 1,760,724
4. Step 4: Simplify right side
   817,872x = 3,100,149,004,176
5. Step 5: Solve for x
   x = 3,100,149,004,176/817,872
6. Step 6: Final answer
   x = 3,790,506.34