Finding the Third Proportional to 7,133.25 and 10,978.13

Step by Step Solution

1. Step 1: Write the proportion equation
   7,133.25 : 10,978.13 = 10,978.13 : x
2. Step 2: Convert to fraction form
   7,133.25/10,978.13 = 10,978.13/x
3. Step 3: Cross multiply
   7,133.25x = 10,978.13 × 10,978.13
4. Step 4: Simplify right side
   7,133.25x = 120,519,228.52
5. Step 5: Solve for x
   x = 120,519,228.52/7,133.25
6. Step 6: Final answer
   x = 16,895.42