Finding the Third Proportional to 10,221.19 and 16,336.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,221.19 : 16,336.69 = 16,336.69 : x
2. Step 2: Convert to fraction form
   10,221.19/16,336.69 = 16,336.69/x
3. Step 3: Cross multiply
   10,221.19x = 16,336.69 × 16,336.69
4. Step 4: Simplify right side
   10,221.19x = 266,887,358.47
5. Step 5: Solve for x
   x = 266,887,358.47/10,221.19
6. Step 6: Final answer
   x = 26,111.19