Finding the Third Proportional to 6,484.50 and 10,131.75

Step by Step Solution

1. Step 1: Write the proportion equation
   6,484.50 : 10,131.75 = 10,131.75 : x
2. Step 2: Convert to fraction form
   6,484.50/10,131.75 = 10,131.75/x
3. Step 3: Cross multiply
   6,484.50x = 10,131.75 × 10,131.75
4. Step 4: Simplify right side
   6,484.50x = 102,652,358.06
5. Step 5: Solve for x
   x = 102,652,358.06/6,484.50
6. Step 6: Final answer
   x = 15,830.42