Finding the Third Proportional to 5,045.63 and 7,180.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,045.63 : 7,180.31 = 7,180.31 : x
2. Step 2: Convert to fraction form
   5,045.63/7,180.31 = 7,180.31/x
3. Step 3: Cross multiply
   5,045.63x = 7,180.31 × 7,180.31
4. Step 4: Simplify right side
   5,045.63x = 51,556,887.60
5. Step 5: Solve for x
   x = 51,556,887.60/5,045.63
6. Step 6: Final answer
   x = 10,218.14