Finding the Third Proportional to 17,899.75 and 27,320.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,899.75 : 27,320.50 = 27,320.50 : x
2. Step 2: Convert to fraction form
   17,899.75/27,320.50 = 27,320.50/x
3. Step 3: Cross multiply
   17,899.75x = 27,320.50 × 27,320.50
4. Step 4: Simplify right side
   17,899.75x = 746,409,720.25
5. Step 5: Solve for x
   x = 746,409,720.25/17,899.75
6. Step 6: Final answer
   x = 41,699.45