Finding the Third Proportional to 10,251 and 13,516.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,251 : 13,516.50 = 13,516.50 : x
2. Step 2: Convert to fraction form
   10,251/13,516.50 = 13,516.50/x
3. Step 3: Cross multiply
   10,251x = 13,516.50 × 13,516.50
4. Step 4: Simplify right side
   10,251x = 182,695,772.25
5. Step 5: Solve for x
   x = 182,695,772.25/10,251
6. Step 6: Final answer
   x = 17,822.24