Finding the Third Proportional to 28,544 and 60,840

Step by Step Solution

1. Step 1: Write the proportion equation
   28,544 : 60,840 = 60,840 : x
2. Step 2: Convert to fraction form
   28,544/60,840 = 60,840/x
3. Step 3: Cross multiply
   28,544x = 60,840 × 60,840
4. Step 4: Simplify right side
   28,544x = 3,701,505,600
5. Step 5: Solve for x
   x = 3,701,505,600/28,544
6. Step 6: Final answer
   x = 129,677.19