Finding the Third Proportional to 9,959.63 and 13,516.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,959.63 : 13,516.88 = 13,516.88 : x
2. Step 2: Convert to fraction form
   9,959.63/13,516.88 = 13,516.88/x
3. Step 3: Cross multiply
   9,959.63x = 13,516.88 × 13,516.88
4. Step 4: Simplify right side
   9,959.63x = 182,705,909.77
5. Step 5: Solve for x
   x = 182,705,909.77/9,959.63
6. Step 6: Final answer
   x = 18,344.66