Finding the Third Proportional to 1,424.54 and 3,116.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,424.54 : 3,116.05 = 3,116.05 : x
2. Step 2: Convert to fraction form
   1,424.54/3,116.05 = 3,116.05/x
3. Step 3: Cross multiply
   1,424.54x = 3,116.05 × 3,116.05
4. Step 4: Simplify right side
   1,424.54x = 9,709,754.21
5. Step 5: Solve for x
   x = 9,709,754.21/1,424.54
6. Step 6: Final answer
   x = 6,816.06