Finding the Third Proportional to 13,420.13 and 28,568.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,420.13 : 28,568.25 = 28,568.25 : x
2. Step 2: Convert to fraction form
   13,420.13/28,568.25 = 28,568.25/x
3. Step 3: Cross multiply
   13,420.13x = 28,568.25 × 28,568.25
4. Step 4: Simplify right side
   13,420.13x = 816,144,908.06
5. Step 5: Solve for x
   x = 816,144,908.06/13,420.13
6. Step 6: Final answer
   x = 60,815.00