Finding the Third Proportional to 28,215 and 60,684

Step by Step Solution

1. Step 1: Write the proportion equation
   28,215 : 60,684 = 60,684 : x
2. Step 2: Convert to fraction form
   28,215/60,684 = 60,684/x
3. Step 3: Cross multiply
   28,215x = 60,684 × 60,684
4. Step 4: Simplify right side
   28,215x = 3,682,547,856
5. Step 5: Solve for x
   x = 3,682,547,856/28,215
6. Step 6: Final answer
   x = 130,517.38