Finding the Third Proportional to 28,105 and 61,388

Step by Step Solution

1. Step 1: Write the proportion equation
   28,105 : 61,388 = 61,388 : x
2. Step 2: Convert to fraction form
   28,105/61,388 = 61,388/x
3. Step 3: Cross multiply
   28,105x = 61,388 × 61,388
4. Step 4: Simplify right side
   28,105x = 3,768,486,544
5. Step 5: Solve for x
   x = 3,768,486,544/28,105
6. Step 6: Final answer
   x = 134,085.98