Finding the Third Proportional to 13,300 and 19,590

Step by Step Solution

1. Step 1: Write the proportion equation
   13,300 : 19,590 = 19,590 : x
2. Step 2: Convert to fraction form
   13,300/19,590 = 19,590/x
3. Step 3: Cross multiply
   13,300x = 19,590 × 19,590
4. Step 4: Simplify right side
   13,300x = 383,768,100
5. Step 5: Solve for x
   x = 383,768,100/13,300
6. Step 6: Final answer
   x = 28,854.74