Finding the Third Proportional to 10,809.38 and 16,700.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,809.38 : 16,700.63 = 16,700.63 : x
2. Step 2: Convert to fraction form
   10,809.38/16,700.63 = 16,700.63/x
3. Step 3: Cross multiply
   10,809.38x = 16,700.63 × 16,700.63
4. Step 4: Simplify right side
   10,809.38x = 278,910,875.39
5. Step 5: Solve for x
   x = 278,910,875.39/10,809.38
6. Step 6: Final answer
   x = 25,802.68