Finding the Third Proportional to 7,077.75 and 10,618.38

Step by Step Solution

1. Step 1: Write the proportion equation
   7,077.75 : 10,618.38 = 10,618.38 : x
2. Step 2: Convert to fraction form
   7,077.75/10,618.38 = 10,618.38/x
3. Step 3: Cross multiply
   7,077.75x = 10,618.38 × 10,618.38
4. Step 4: Simplify right side
   7,077.75x = 112,749,887.64
5. Step 5: Solve for x
   x = 112,749,887.64/7,077.75
6. Step 6: Final answer
   x = 15,930.19