Finding the Third Proportional to 17,620.50 and 27,300.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,620.50 : 27,300.75 = 27,300.75 : x
2. Step 2: Convert to fraction form
   17,620.50/27,300.75 = 27,300.75/x
3. Step 3: Cross multiply
   17,620.50x = 27,300.75 × 27,300.75
4. Step 4: Simplify right side
   17,620.50x = 745,330,950.56
5. Step 5: Solve for x
   x = 745,330,950.56/17,620.50
6. Step 6: Final answer
   x = 42,299.08