Finding the Third Proportional to 3,498.19 and 7,724.11

Step by Step Solution

1. Step 1: Write the proportion equation
   3,498.19 : 7,724.11 = 7,724.11 : x
2. Step 2: Convert to fraction form
   3,498.19/7,724.11 = 7,724.11/x
3. Step 3: Cross multiply
   3,498.19x = 7,724.11 × 7,724.11
4. Step 4: Simplify right side
   3,498.19x = 59,661,865.64
5. Step 5: Solve for x
   x = 59,661,865.64/3,498.19
6. Step 6: Final answer
   x = 17,055.08