Finding the Third Proportional to 3,117.23 and 7,436.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,117.23 : 7,436.18 = 7,436.18 : x
2. Step 2: Convert to fraction form
   3,117.23/7,436.18 = 7,436.18/x
3. Step 3: Cross multiply
   3,117.23x = 7,436.18 × 7,436.18
4. Step 4: Simplify right side
   3,117.23x = 55,296,768.34
5. Step 5: Solve for x
   x = 55,296,768.34/3,117.23
6. Step 6: Final answer
   x = 17,739.05