Finding the Third Proportional to 2,729.81 and 4,117.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,729.81 : 4,117.31 = 4,117.31 : x
2. Step 2: Convert to fraction form
   2,729.81/4,117.31 = 4,117.31/x
3. Step 3: Cross multiply
   2,729.81x = 4,117.31 × 4,117.31
4. Step 4: Simplify right side
   2,729.81x = 16,952,262.22
5. Step 5: Solve for x
   x = 16,952,262.22/2,729.81
6. Step 6: Final answer
   x = 6,210.05