Finding the Third Proportional to 7,111.50 and 10,484.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,111.50 : 10,484.25 = 10,484.25 : x
2. Step 2: Convert to fraction form
   7,111.50/10,484.25 = 10,484.25/x
3. Step 3: Cross multiply
   7,111.50x = 10,484.25 × 10,484.25
4. Step 4: Simplify right side
   7,111.50x = 109,919,498.06
5. Step 5: Solve for x
   x = 109,919,498.06/7,111.50
6. Step 6: Final answer
   x = 15,456.58