Finding the Third Proportional to 28,170.50 and 60,340

Step by Step Solution

1. Step 1: Write the proportion equation
   28,170.50 : 60,340 = 60,340 : x
2. Step 2: Convert to fraction form
   28,170.50/60,340 = 60,340/x
3. Step 3: Cross multiply
   28,170.50x = 60,340 × 60,340
4. Step 4: Simplify right side
   28,170.50x = 3,640,915,600
5. Step 5: Solve for x
   x = 3,640,915,600/28,170.50
6. Step 6: Final answer
   x = 129,245.69