Finding the Third Proportional to 19,009.69 and 27,788.06

Step by Step Solution

1. Step 1: Write the proportion equation
   19,009.69 : 27,788.06 = 27,788.06 : x
2. Step 2: Convert to fraction form
   19,009.69/27,788.06 = 27,788.06/x
3. Step 3: Cross multiply
   19,009.69x = 27,788.06 × 27,788.06
4. Step 4: Simplify right side
   19,009.69x = 772,176,417.50
5. Step 5: Solve for x
   x = 772,176,417.50/19,009.69
6. Step 6: Final answer
   x = 40,620.15