Finding the Third Proportional to 13,613 and 21,930.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,613 : 21,930.50 = 21,930.50 : x
2. Step 2: Convert to fraction form
   13,613/21,930.50 = 21,930.50/x
3. Step 3: Cross multiply
   13,613x = 21,930.50 × 21,930.50
4. Step 4: Simplify right side
   13,613x = 480,946,830.25
5. Step 5: Solve for x
   x = 480,946,830.25/13,613
6. Step 6: Final answer
   x = 35,329.97