Finding the Third Proportional to 1,446.61 and 3,111.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.61 : 3,111.06 = 3,111.06 : x
2. Step 2: Convert to fraction form
   1,446.61/3,111.06 = 3,111.06/x
3. Step 3: Cross multiply
   1,446.61x = 3,111.06 × 3,111.06
4. Step 4: Simplify right side
   1,446.61x = 9,678,722.03
5. Step 5: Solve for x
   x = 9,678,722.03/1,446.61
6. Step 6: Final answer
   x = 6,690.63