Finding the Third Proportional to 16,072.17 and 18,897.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,072.17 : 18,897.05 = 18,897.05 : x
2. Step 2: Convert to fraction form
   16,072.17/18,897.05 = 18,897.05/x
3. Step 3: Cross multiply
   16,072.17x = 18,897.05 × 18,897.05
4. Step 4: Simplify right side
   16,072.17x = 357,098,380.60
5. Step 5: Solve for x
   x = 357,098,380.60/16,072.17
6. Step 6: Final answer
   x = 22,218.43