Finding the Third Proportional to 13,021.70 and 28,019.36

Step by Step Solution

1. Step 1: Write the proportion equation
   13,021.70 : 28,019.36 = 28,019.36 : x
2. Step 2: Convert to fraction form
   13,021.70/28,019.36 = 28,019.36/x
3. Step 3: Cross multiply
   13,021.70x = 28,019.36 × 28,019.36
4. Step 4: Simplify right side
   13,021.70x = 785,084,280.88
5. Step 5: Solve for x
   x = 785,084,280.88/13,021.70
6. Step 6: Final answer
   x = 60,290.46