Finding the Third Proportional to 28,055 and 61,390

Step by Step Solution

1. Step 1: Write the proportion equation
   28,055 : 61,390 = 61,390 : x
2. Step 2: Convert to fraction form
   28,055/61,390 = 61,390/x
3. Step 3: Cross multiply
   28,055x = 61,390 × 61,390
4. Step 4: Simplify right side
   28,055x = 3,768,732,100
5. Step 5: Solve for x
   x = 3,768,732,100/28,055
6. Step 6: Final answer
   x = 134,333.71