Finding the Third Proportional to 17,420.06 and 22,890.09

Step by Step Solution

1. Step 1: Write the proportion equation
   17,420.06 : 22,890.09 = 22,890.09 : x
2. Step 2: Convert to fraction form
   17,420.06/22,890.09 = 22,890.09/x
3. Step 3: Cross multiply
   17,420.06x = 22,890.09 × 22,890.09
4. Step 4: Simplify right side
   17,420.06x = 523,956,391.88
5. Step 5: Solve for x
   x = 523,956,391.88/17,420.06
6. Step 6: Final answer
   x = 30,077.76