Finding the Third Proportional to 1,443.56 and 3,117.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.56 : 3,117.94 = 3,117.94 : x
2. Step 2: Convert to fraction form
   1,443.56/3,117.94 = 3,117.94/x
3. Step 3: Cross multiply
   1,443.56x = 3,117.94 × 3,117.94
4. Step 4: Simplify right side
   1,443.56x = 9,721,534.25
5. Step 5: Solve for x
   x = 9,721,534.25/1,443.56
6. Step 6: Final answer
   x = 6,734.40