Finding the Third Proportional to 5,720.63 and 9,937.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,720.63 : 9,937.69 = 9,937.69 : x
2. Step 2: Convert to fraction form
   5,720.63/9,937.69 = 9,937.69/x
3. Step 3: Cross multiply
   5,720.63x = 9,937.69 × 9,937.69
4. Step 4: Simplify right side
   5,720.63x = 98,757,632.85
5. Step 5: Solve for x
   x = 98,757,632.85/5,720.63
6. Step 6: Final answer
   x = 17,263.43