Finding the Third Proportional to 17,619.75 and 27,300.38

Step by Step Solution

1. Step 1: Write the proportion equation
   17,619.75 : 27,300.38 = 27,300.38 : x
2. Step 2: Convert to fraction form
   17,619.75/27,300.38 = 27,300.38/x
3. Step 3: Cross multiply
   17,619.75x = 27,300.38 × 27,300.38
4. Step 4: Simplify right side
   17,619.75x = 745,310,475.14
5. Step 5: Solve for x
   x = 745,310,475.14/17,619.75
6. Step 6: Final answer
   x = 42,299.72