Finding the Third Proportional to 4,300.13 and 9,301.88

Step by Step Solution

1. Step 1: Write the proportion equation
   4,300.13 : 9,301.88 = 9,301.88 : x
2. Step 2: Convert to fraction form
   4,300.13/9,301.88 = 9,301.88/x
3. Step 3: Cross multiply
   4,300.13x = 9,301.88 × 9,301.88
4. Step 4: Simplify right side
   4,300.13x = 86,524,878.52
5. Step 5: Solve for x
   x = 86,524,878.52/4,300.13
6. Step 6: Final answer
   x = 20,121.48