Finding the Third Proportional to 17,816 and 28,209.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,816 : 28,209.50 = 28,209.50 : x
2. Step 2: Convert to fraction form
   17,816/28,209.50 = 28,209.50/x
3. Step 3: Cross multiply
   17,816x = 28,209.50 × 28,209.50
4. Step 4: Simplify right side
   17,816x = 795,775,890.25
5. Step 5: Solve for x
   x = 795,775,890.25/17,816
6. Step 6: Final answer
   x = 44,666.36