Finding the Third Proportional to 19,629.84 and 40,920.19

Step by Step Solution

1. Step 1: Write the proportion equation
   19,629.84 : 40,920.19 = 40,920.19 : x
2. Step 2: Convert to fraction form
   19,629.84/40,920.19 = 40,920.19/x
3. Step 3: Cross multiply
   19,629.84x = 40,920.19 × 40,920.19
4. Step 4: Simplify right side
   19,629.84x = 1,674,461,745.04
5. Step 5: Solve for x
   x = 1,674,461,745.04/19,629.84
6. Step 6: Final answer
   x = 85,301.84