Finding the Third Proportional to 7,021.69 and 14,521.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,021.69 : 14,521.78 = 14,521.78 : x
2. Step 2: Convert to fraction form
   7,021.69/14,521.78 = 14,521.78/x
3. Step 3: Cross multiply
   7,021.69x = 14,521.78 × 14,521.78
4. Step 4: Simplify right side
   7,021.69x = 210,882,130.67
5. Step 5: Solve for x
   x = 210,882,130.67/7,021.69
6. Step 6: Final answer
   x = 30,032.97