Finding the Third Proportional to 6,910.31 and 18,004.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,910.31 : 18,004.78 = 18,004.78 : x
2. Step 2: Convert to fraction form
   6,910.31/18,004.78 = 18,004.78/x
3. Step 3: Cross multiply
   6,910.31x = 18,004.78 × 18,004.78
4. Step 4: Simplify right side
   6,910.31x = 324,172,147.86
5. Step 5: Solve for x
   x = 324,172,147.86/6,910.31
6. Step 6: Final answer
   x = 46,911.36