Finding the Third Proportional to 2,513.25 and 5,918.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,513.25 : 5,918.63 = 5,918.63 : x
2. Step 2: Convert to fraction form
   2,513.25/5,918.63 = 5,918.63/x
3. Step 3: Cross multiply
   2,513.25x = 5,918.63 × 5,918.63
4. Step 4: Simplify right side
   2,513.25x = 35,030,121.89
5. Step 5: Solve for x
   x = 35,030,121.89/2,513.25
6. Step 6: Final answer
   x = 13,938.18