Finding the Third Proportional to 7,049.25 and 10,978.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,049.25 : 10,978.88 = 10,978.88 : x
2. Step 2: Convert to fraction form
   7,049.25/10,978.88 = 10,978.88/x
3. Step 3: Cross multiply
   7,049.25x = 10,978.88 × 10,978.88
4. Step 4: Simplify right side
   7,049.25x = 120,535,696.27
5. Step 5: Solve for x
   x = 120,535,696.27/7,049.25
6. Step 6: Final answer
   x = 17,099.08