Finding the Third Proportional to 17,869.50 and 27,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,869.50 : 27,499.50 = 27,499.50 : x
2. Step 2: Convert to fraction form
   17,869.50/27,499.50 = 27,499.50/x
3. Step 3: Cross multiply
   17,869.50x = 27,499.50 × 27,499.50
4. Step 4: Simplify right side
   17,869.50x = 756,222,500.25
5. Step 5: Solve for x
   x = 756,222,500.25/17,869.50
6. Step 6: Final answer
   x = 42,319.18