Finding the Third Proportional to 1,710.28 and 3,154.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,710.28 : 3,154.78 = 3,154.78 : x
2. Step 2: Convert to fraction form
   1,710.28/3,154.78 = 3,154.78/x
3. Step 3: Cross multiply
   1,710.28x = 3,154.78 × 3,154.78
4. Step 4: Simplify right side
   1,710.28x = 9,952,644.74
5. Step 5: Solve for x
   x = 9,952,644.74/1,710.28
6. Step 6: Final answer
   x = 5,819.30