Finding the Third Proportional to 3,098.81 and 6,454.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,098.81 : 6,454.69 = 6,454.69 : x
2. Step 2: Convert to fraction form
   3,098.81/6,454.69 = 6,454.69/x
3. Step 3: Cross multiply
   3,098.81x = 6,454.69 × 6,454.69
4. Step 4: Simplify right side
   3,098.81x = 41,662,990.72
5. Step 5: Solve for x
   x = 41,662,990.72/3,098.81
6. Step 6: Final answer
   x = 13,444.82