Finding the Third Proportional to 6,921 and 10,597.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,921 : 10,597.50 = 10,597.50 : x
2. Step 2: Convert to fraction form
   6,921/10,597.50 = 10,597.50/x
3. Step 3: Cross multiply
   6,921x = 10,597.50 × 10,597.50
4. Step 4: Simplify right side
   6,921x = 112,307,006.25
5. Step 5: Solve for x
   x = 112,307,006.25/6,921
6. Step 6: Final answer
   x = 16,226.99