Finding the Third Proportional to 28,105 and 61,285

Step by Step Solution

1. Step 1: Write the proportion equation
   28,105 : 61,285 = 61,285 : x
2. Step 2: Convert to fraction form
   28,105/61,285 = 61,285/x
3. Step 3: Cross multiply
   28,105x = 61,285 × 61,285
4. Step 4: Simplify right side
   28,105x = 3,755,851,225
5. Step 5: Solve for x
   x = 3,755,851,225/28,105
6. Step 6: Final answer
   x = 133,636.41