Finding the Third Proportional to 13,388 and 28,285

Step by Step Solution

1. Step 1: Write the proportion equation
   13,388 : 28,285 = 28,285 : x
2. Step 2: Convert to fraction form
   13,388/28,285 = 28,285/x
3. Step 3: Cross multiply
   13,388x = 28,285 × 28,285
4. Step 4: Simplify right side
   13,388x = 800,041,225
5. Step 5: Solve for x
   x = 800,041,225/13,388
6. Step 6: Final answer
   x = 59,758.08