Finding the Third Proportional to 13,152.50 and 19,865

Step by Step Solution

1. Step 1: Write the proportion equation
   13,152.50 : 19,865 = 19,865 : x
2. Step 2: Convert to fraction form
   13,152.50/19,865 = 19,865/x
3. Step 3: Cross multiply
   13,152.50x = 19,865 × 19,865
4. Step 4: Simplify right side
   13,152.50x = 394,618,225
5. Step 5: Solve for x
   x = 394,618,225/13,152.50
6. Step 6: Final answer
   x = 30,003.29