Finding the Third Proportional to 2,318.63 and 5,047.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,318.63 : 5,047.31 = 5,047.31 : x
2. Step 2: Convert to fraction form
   2,318.63/5,047.31 = 5,047.31/x
3. Step 3: Cross multiply
   2,318.63x = 5,047.31 × 5,047.31
4. Step 4: Simplify right side
   2,318.63x = 25,475,363.47
5. Step 5: Solve for x
   x = 25,475,363.47/2,318.63
6. Step 6: Final answer
   x = 10,987.27