Finding the Third Proportional to 13,508.50 and 21,704

Step by Step Solution

1. Step 1: Write the proportion equation
   13,508.50 : 21,704 = 21,704 : x
2. Step 2: Convert to fraction form
   13,508.50/21,704 = 21,704/x
3. Step 3: Cross multiply
   13,508.50x = 21,704 × 21,704
4. Step 4: Simplify right side
   13,508.50x = 471,063,616
5. Step 5: Solve for x
   x = 471,063,616/13,508.50
6. Step 6: Final answer
   x = 34,871.64