Finding the Third Proportional to 19,979.16 and 30,019.99

Step by Step Solution

1. Step 1: Write the proportion equation
   19,979.16 : 30,019.99 = 30,019.99 : x
2. Step 2: Convert to fraction form
   19,979.16/30,019.99 = 30,019.99/x
3. Step 3: Cross multiply
   19,979.16x = 30,019.99 × 30,019.99
4. Step 4: Simplify right side
   19,979.16x = 901,199,930.94
5. Step 5: Solve for x
   x = 901,199,930.94/19,979.16
6. Step 6: Final answer
   x = 45,107.01